Material: ABS/PC/Zinc alloy/Silica gel Display: 2.01'' TFT 320*386 BATTERY CAPACITY: 300mAh 3.8V Charging Time: 2 hours Major Function : Meter Step, Bluetooth Call, Heart Rate, Blood Oxygen, Sports Mode, Camera Remote Control, Video Watch Faces Waterproof：1ATM APP：oraimo health Model: OSW-802N