G104 display: 1.83 Inch TFT screen,240*284 Resolution CPT: JL7012F6 Heart rate sensor: Tianyi Hexin 3600 Touch the keys: G+F Full-screen touch + physical buttons Bluetooth: Bluetooth5.2 Life: Normal use for 5-7 days, Standby for 30 days Waterproof level: IP67 The system supports: Android 4.4 or above, IOS 8.0 or above Size: 39*45.7*11 mm Weight: 55g Battery capacity:250 mAh polymer Send Inquiry Now