Mentech Passion HRM01 Heart Rate Armband

Product information Product Name: mentech Passion Product Model: HRM 01 Main Unit Size: 49.6*33.4*11.4mm Net Weight of Product: Approx. 19g Battery Type: Rechargeable Lithium Battery Optimal Temperature: 0~45℃ Waterproof Rating: 5ATM Wireless Connection: Bluetooth, ANT+ Charging Method: Magnetic Charging Supported Systems: Android 9.0/ iOS 11.0 or later Wearing method Proper Wear for Accurate Readings Wear on either upper/lower arm, adjust strap to fit snugly against skin, should stay secure but comfortable during movement(*Wrist wear requires separate accessory purchase)