H808S is a chest strap for live heart rate tracking. It connects to third-party apps using Bluetooth 5.0 and is IP67 waterproof. It uses a replaceable CR2032 battery which lasts up to 300 hours working time <ref>https://www.coospo.com/product-item/coospo-h808s/</ref>.
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H808S is a chest strap for live heart rate tracking. It connects to Android and iOS third-party apps using Bluetooth 5.0 and is IP67 waterproof. It uses a replaceable CR2032 battery which lasts up to 300 hours working time <ref>https://www.coospo.com/product-item/coospo-h808s/</ref>.