•Chipset: RF03
•Compatible System: Android5.1 (inclusive) or above, IOS8.0 (inclusive) or above
•FLASH memory: RAM 208KB ROM 512KB
•BT: 5.0 low-power Bluetooth chip
•Acceleration sensor (Sensor): Silicon STK8321
•Heart Rate: Vcare VC30F
•Battery type (Type): polymer lithium ion
•Capacity: 17mAh
•Charging Method: Magnetic charging
•Waterproof Level: 5ATM
•Charging time: about 1 hour
•Life time: 5-7 days of use, 15 days of standby
•Appearance material: stainless steel38008