Photo 1 of moofit HW401 Heart Rate Monitor Armband, IP67 Waterproof, Support Bluetooth/ANT+, Rechargeable Optical Heart Rate Sensor Bracelet Works with Wahoo, Strava, Elite HRV

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Photo 1 of moofit HW401 Heart Rate Monitor Armband, IP67 Waterproof, Support Bluetooth/ANT+, Rechargeable Optical Heart Rate Sensor Bracelet Works with Wahoo, Strava, Elite HRVPhoto 2 of moofit HW401 Heart Rate Monitor Armband, IP67 Waterproof, Support Bluetooth/ANT+, Rechargeable Optical Heart Rate Sensor Bracelet Works with Wahoo, Strava, Elite HRV