{"product_id":"polar-h10-heart-rate-sensor-m-xxl-b07pm54p4n","title":"Polar H10 Heart Rate Sensor, M-XXL","description":"\u003cstyle\u003e\n.vn-pdp-body{line-height:1.6}\n.vn-pdp-body p{margin:0 0 14px}\n.vn-pdp-ad-label{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#6b6b6b;margin:0 0 6px}\n.vn-pdp-intro{margin:0 0 20px}\n.vn-pdp-intro__hero-line{font-size:1.25em;font-weight:600;margin:6px 0 8px;color:#111}\n.vn-pdp-intro__promise{font-size:1.15em;margin:6px 0 14px}\n.vn-benefit-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin:20px 0}\n.vn-benefit{box-sizing:border-box;flex:0 1 calc(25% - 10.5px);border:1px solid #e4e4e4;border-radius:10px;padding:14px 16px;font-size:.97em;line-height:1.5}\n@media (max-width:900px){.vn-benefit{flex-basis:calc(50% - 7px)}}\n@media (max-width:520px){.vn-benefit{flex-basis:100%}}\n.vn-benefit strong,.vn-benefit-list strong{color:#a15c07}\n.vn-benefit-list{margin:16px 0;padding-left:22px}\n.vn-benefit-list li{margin:0 0 10px;line-height:1.55}\n.vn-pdp-section{margin:28px 0}\n.vn-pdp-section h3{margin:0 0 10px}\n.vn-pdp-section p{margin:0 0 14px}\n.vn-image-copy-group{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;margin:28px 0}\n.vn-image-copy{box-sizing:border-box;flex:0 1 calc(50% - 12px);display:flex;flex-direction:column;gap:14px;border:1px solid #e4e4e4;border-radius:10px;padding:14px}\n.vn-image-copy img{width:100%;height:auto;border-radius:8px;display:block}\n.vn-image-copy__body{flex:1 1 auto}\n@media (max-width:700px){.vn-image-copy{flex-basis:100%}}\n.vn-image-copy__body h3{margin:0 0 8px}\n.vn-sizing{margin:28px 0}\n.vn-sizing table,.vn-spec-table table{width:100%;border-collapse:collapse;margin:12px 0}\n.vn-sizing td,.vn-sizing th,.vn-spec-table td,.vn-spec-table th{border:1px solid #e4e4e4;padding:8px 10px;text-align:left;font-size:.95em}\n.vn-spec-table{margin:28px 0}\n.vn-callout{border:1px solid #e2e2e2;border-radius:10px;padding:18px 20px;margin:28px 0;background:#fafafa}\n.vn-callout h4{margin:0 0 10px;font-size:1.05em}\n.vn-callout p{margin:0 0 10px}\n.vn-callout p:last-child{margin-bottom:0}\n.vn-callout--emphasis{border:1px solid #d97706;background:#fff8ec}\n.vn-faq{margin:28px 0}\n.vn-faq__item{margin:0 0 16px}\n.vn-faq__item dt{font-weight:600;margin:0 0 4px}\n.vn-faq__item dd{margin:0}\n.vn-affiliate-cta-slot{margin:22px 0;text-align:center}\n.vn-affiliate-cta-img{display:inline-block;line-height:0;border-radius:8px;transition:transform .18s ease,filter .18s ease}\n.vn-affiliate-cta-img img{display:block;width:280px;max-width:100%;height:auto;margin:0 auto}\n.vn-affiliate-cta-img:hover{transform:translateY(-2px);filter:brightness(1.08) drop-shadow(0 6px 10px rgba(0,0,0,.18))}\n.vn-affiliate-cta-img:active{transform:translateY(0);filter:brightness(.97)}\n.vn-affiliate-cta-img:focus-visible{outline:2px solid #ff9900;outline-offset:3px}\n@media (prefers-reduced-motion:reduce){.vn-affiliate-cta-img{transition:none}.vn-affiliate-cta-img:hover{transform:none}}\n.vn-affiliate-cta-slot__line{font-size:.9em;color:#555;margin:8px 0 0}\n.vn-affiliate-cta-slot__note{font-size:.85em;color:#777;margin:4px 0 0}\n.vn-pdp-body a.vn-store-cta{display:inline-block;min-width:260px;max-width:100%;box-sizing:border-box;padding:12px 28px;border:0;border-radius:3px;background:#ff3c20;color:#fff;font-family:Roboto,sans-serif;font-size:15px;font-weight:600;line-height:1.4;text-align:center;text-decoration:none;transition:filter .18s ease,transform .18s ease}\n.vn-pdp-body a.vn-store-cta:hover,.vn-pdp-body a.vn-store-cta:focus{background:#ff3c20;color:#fff;filter:brightness(.92);transform:translateY(-1px)}\n.vn-pdp-body a.vn-store-cta:focus-visible{outline:2px solid #222;outline-offset:3px}\n.vn-affiliate-disclosure{font-size:.82em;color:#888;margin:32px 0 0;padding-top:12px;border-top:1px solid #eee}\n\u003c\/style\u003e\n\u003cdiv class=\"vn-pdp-body\"\u003e\n\u003cdiv class=\"vn-pdp-intro\"\u003e\n\u003ch1\u003ePolar H10 Heart Rate Sensor, M-XXL\u003c\/h1\u003e\n\u003cp class=\"vn-pdp-intro__hero-line\"\u003eKeep the watch you've got: the H10 pairs with most sports watches.\u003c\/p\u003e\n\u003cp class=\"vn-pdp-intro__promise\"\u003eA chest strap that reads your heart electrically, right at the source, and sends it to your watch, phone app or gym bike over Bluetooth and ANT+ at once. Built for the sessions where heart rate moves fast: intervals, cycling and the gym.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-amazon-live\" data-vn-amazon-asin=\"B07PM54P4N\" data-vn-href=\"https:\/\/amzn.to\/46Sq5ZT\" hidden\u003e\u003c\/div\u003e\n\u003cdiv class=\"vn-benefit-grid\"\u003e\n\u003cdiv class=\"vn-benefit\"\u003e\n\u003cstrong\u003eWorks with your kit:\u003c\/strong\u003e any watch, app or gym machine that reads a standard Bluetooth or ANT+ heart rate signal.\u003c\/div\u003e\n\u003cdiv class=\"vn-benefit\"\u003e\n\u003cstrong\u003eTwo at once:\u003c\/strong\u003e two Bluetooth devices can take your heart rate at the same time, say a watch and a bike.\u003c\/div\u003e\n\u003cdiv class=\"vn-benefit\"\u003e\n\u003cstrong\u003eReads at the chest:\u003c\/strong\u003e electrodes in the strap pick up your heart's electrical signal, not light through the skin.\u003c\/div\u003e\n\u003cdiv class=\"vn-benefit\"\u003e\n\u003cstrong\u003eEasy to live with:\u003c\/strong\u003e a machine-washable strap and a coin battery Polar rates at about 400 hours.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-image-copy-group\"\u003e\n\u003cdiv class=\"vn-image-copy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/3365\/6364\/files\/FINAL_body_intervals_4x3_bccc2cc4-bbf5-4566-bf29-c51fbdf49180.png?v=1790959958\" alt=\"Runner mid-interval with a Polar H10 chest strap on bare skin under an open jacket and a watch on her wrist\" loading=\"lazy\"\u003e\u003cdiv class=\"vn-image-copy__body\"\u003e\n\u003ch3\u003eMade for the sessions that move fast\u003c\/h3\u003e\n\u003cp\u003eOn a 30-second effort, your heart rate climbs fast and drops fast. A chest strap reads it electrically, through electrodes against your skin, so the number on your watch follows the rise and the recovery as they happen. Polar calls the H10 the most accurate sensor in its history. Run your intervals by it and you'll see what each rep actually cost.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-image-copy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/3365\/6364\/files\/FINAL_body_cycling_4x3_6130969a-7ef3-4777-be0b-7366f6eb552f.png?v=1790959997\" alt=\"Man riding a bike on a trainer in a home gym, wearing a Polar H10 chest strap\" loading=\"lazy\"\u003e\u003cdiv class=\"vn-image-copy__body\"\u003e\n\u003ch3\u003eYour watch and your bike, both listening\u003c\/h3\u003e\n\u003cp\u003eThe H10 sends your heart rate over Bluetooth and ANT+ at the same time, and two Bluetooth devices can connect at once. So your watch records the session while the indoor bike or training app shows it on the big screen. It also works with gym machines that use Polar's older 5 kHz signal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-image-copy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/3365\/6364\/files\/FINAL_body_fit_4x3_41be8b6e-a903-4f9b-ba47-e5a18c57e16a.png?v=1790959907\" alt=\"Man lifting his T-shirt to fasten a Polar H10 chest strap around his bare chest\" loading=\"lazy\"\u003e\u003cdiv class=\"vn-image-copy__body\"\u003e\n\u003ch3\u003eWet it, fasten it, clip it on\u003c\/h3\u003e\n\u003cp\u003eWet the electrode areas on the back of the strap, fasten it snugly round your chest and clip the sensor on. The textile strap has non-slip silicone spots that help it stay where you put it, through sprints and out-of-the-saddle climbs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-image-copy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/3365\/6364\/files\/FINAL_body_care_4x3_1683cac8-75ec-4fe4-83a8-e29cd75a0765.png?v=1790960041\" alt=\"Polar H10 strap drying on a rail after a rinse, with the sensor unclipped on a towel below\" loading=\"lazy\"\u003e\u003cdiv class=\"vn-image-copy__body\"\u003e\n\u003ch3\u003eUnclip, rinse, done\u003c\/h3\u003e\n\u003cp\u003eAfter a session, unclip the sensor and rinse the strap under the tap. When it needs a proper clean, the strap goes in the washing machine at 40 °C, in a wash bag, with no softener. The battery is a standard CR2025 coin cell you change yourself, and Polar rates it at about 400 hours.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-sizing\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePolar Pro Strap size\u003c\/th\u003e\n\u003cth\u003eFits a chest of\u003c\/th\u003e\n\u003cth\u003eAmazon UK\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eM-XXL (this page)\u003c\/td\u003e\n\u003ctd\u003e71 to 118 cm\u003c\/td\u003e\n\u003ctd\u003eThis listing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXS-S\u003c\/td\u003e\n\u003ctd\u003e62 to 82 cm\u003c\/td\u003e\n\u003ctd\u003eA separate listing; choose it on Amazon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eMeasure round your chest where the strap will sit, snug but not tight. If you measure under 71 cm, choose XS-S. Between 71 and 82 cm both sizes fit: pick XS-S if you're nearer 71 cm, so the strap isn't at the end of its adjustment. These are Polar's own figures; Amazon's listing shows different ones, so go by Polar's.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-affiliate-cta-slot\"\u003e\n\u003ca href=\"https:\/\/amzn.to\/46Sq5ZT\" class=\"vn-affiliate-cta-img\" target=\"_blank\" rel=\"nofollow sponsored noopener\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/3365\/6364\/files\/amazon-buy-now-orange.png?v=1790148135\" alt=\"Buy on Amazon\" width=\"920\" height=\"240\"\u003e\u003c\/a\u003e\u003cp class=\"vn-affiliate-cta-slot__line\"\u003eA strap that keeps up with your intervals and pairs with most sports watches.\u003c\/p\u003e\n\u003cp class=\"vn-affiliate-cta-slot__note\"\u003eOpens the Polar H10 M-XXL on Amazon UK.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-callout\"\u003e\n\u003ch4\u003eBefore your first run\u003c\/h4\u003e\n\u003cp\u003ePair it with the Polar Flow app once to get any firmware update, then pair it with your watch or app as usual. Bluetooth and ANT+ don't work underwater, so in the pool it won't reach your watch, even though the sensor is water resistant to 30 m. And it's a training tool: Polar says it's designed to measure heart rate, not for medical use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-spec-table\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003ePolar H10 Heart Rate Sensor with Polar Pro Strap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eM-XXL, fits chests of 71 to 118 cm (XS-S, 62 to 82 cm, sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHow it measures\u003c\/td\u003e\n\u003ctd\u003eElectrical, through electrode areas on the strap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003eBluetooth, ANT+ and Polar GymLink (5 kHz), all on by default\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAt once\u003c\/td\u003e\n\u003ctd\u003eTwo Bluetooth connections at the same time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorks with\u003c\/td\u003e\n\u003ctd\u003eDevices that read the Bluetooth Heart Rate Service or the ANT+ heart rate profile; a phone needs an app\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003eCR2025 coin cell, user-changeable, about 400 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater\u003c\/td\u003e\n\u003ctd\u003eWater resistant to 30 m; Bluetooth and ANT+ don't transmit underwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size and weight\u003c\/td\u003e\n\u003ctd\u003e65 x 34 x 10 mm; 21 g, or 60 g with the strap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-10 to +50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrap\u003c\/td\u003e\n\u003ctd\u003eTextile with silicone grip spots; 38% polyamide, 29% polyurethane, 20% elastane, 13% polyester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCare\u003c\/td\u003e\n\u003ctd\u003eRinse after every use; machine wash the strap at 40 °C; never machine wash the sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuarantee\u003c\/td\u003e\n\u003ctd\u003ePolar's limited international guarantee, 2 years from purchase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv class=\"vn-faq\"\u003e\u003cdl\u003e\n\u003cdiv class=\"vn-faq__item\"\u003e\n\u003cdt\u003eWill the Polar H10 work with my watch?\u003c\/dt\u003e\n\u003cdd\u003eIf your watch, app or gym machine can read a Bluetooth or ANT+ heart rate sensor, yes. The H10 sends both signals at once, and two Bluetooth devices can connect to it at the same time. Older Polar watches and gym kit that use Polar's 5 kHz signal work too.\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-faq__item\"\u003e\n\u003cdt\u003eIs a chest strap better than my watch's wrist sensor?\u003c\/dt\u003e\n\u003cdd\u003eFor steady runs a well-fitted wrist sensor is often close enough. For short intervals, cycling and gym work, where heart rate rises and falls quickly, a chest strap reading your heart electrically follows the changes more closely. Our guide on chest straps vs wrist heart rate shows how to test your own watch.\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-faq__item\"\u003e\n\u003cdt\u003eWhich size do I need?\u003c\/dt\u003e\n\u003cdd\u003eGo by Polar's chart: M-XXL fits chests of 71 to 118 cm and XS-S fits 62 to 82 cm. Measure round your chest where the strap will sit. Amazon's listing gives different figures, so use Polar's.\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-faq__item\"\u003e\n\u003cdt\u003eHow do I wash the strap?\u003c\/dt\u003e\n\u003cdd\u003eUnclip the sensor and rinse the strap under running water after every session. Machine wash it at 40 °C, ideally in a wash bag, with no bleach or softener, and don't tumble dry it. The sensor itself never goes in the machine.\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-faq__item\"\u003e\n\u003cdt\u003eHow long does the battery last?\u003c\/dt\u003e\n\u003cdd\u003ePolar rates the CR2025 coin cell at about 400 hours. You change it yourself by levering the cover open, and then pair the sensor again.\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-faq__item\"\u003e\n\u003cdt\u003eCan I swim with it?\u003c\/dt\u003e\n\u003cdd\u003eIt's water resistant to 30 m, but Bluetooth and ANT+ don't work in water, so your watch won't pick it up while you swim. Rinse the strap and sensor after pool or sea water.\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vn-faq__item\"\u003e\n\u003cdt\u003eIs it a medical device?\u003c\/dt\u003e\n\u003cdd\u003eNo. Polar says the H10 is designed to measure heart rate for training, with no other use intended. If you have a pacemaker or another implanted device, check with your doctor first, as Polar advises.\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003c\/dl\u003e\u003c\/div\u003e\n\u003cdiv class=\"vn-affiliate-cta-slot\"\u003e\n\u003ca href=\"https:\/\/amzn.to\/46Sq5ZT\" class=\"vn-affiliate-cta-img\" target=\"_blank\" rel=\"nofollow sponsored noopener\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/3365\/6364\/files\/amazon-buy-now-orange.png?v=1790148135\" alt=\"Buy on Amazon\" width=\"920\" height=\"240\"\u003e\u003c\/a\u003e\u003cp class=\"vn-affiliate-cta-slot__line\"\u003eClip it on, pair it once, and train by a heart rate that keeps up.\u003c\/p\u003e\n\u003cp class=\"vn-affiliate-cta-slot__note\"\u003eSize M-XXL fits 71 to 118 cm. XS-S is on Amazon too.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"vn-affiliate-disclosure\"\u003eAs an Amazon Associate we earn from qualifying purchases.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Polar","offers":[{"title":"Default Title","offer_id":62737868161411,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/3365\/6364\/files\/FINAL_gallery_01_1x1_93deaaa7-8948-4fa7-9f55-a65ba9088741.png?v=1790959852","url":"https:\/\/vivanutrition.shop\/es\/products\/polar-h10-heart-rate-sensor-m-xxl-b07pm54p4n","provider":"VivaNutrition","version":"1.0","type":"link"}