ECG measurement ,Automatic infrared blood oxygen measurement，Sleep apnea monitoring (snoring monitoring)，HRV Lorentz scatter diagram，Accurate Scientific sleep monitoring，Breathing training，Heart rate monitoring，10 Multi-sport modes，Female menstruation and ovulation reminder，Body temperature measurement，Exercise measurement (step/calorie/distance，Alarm clock，Information reminder，Turn wrist bright screen，Remote photographing，Music control，Sedentary reminder，Stopwatch function，WeChat Motion Sync.

Compatible System: Android 4.4 and above,iOS 8.0 and above
CPU Chip: GR5515
Display：1.57 inch
Bluetooth：5.1
Shell material: Tempered + zinc alloy + Stainless steel
Product Size 245*45*8mm
Strap: TPU strap (black)
Battery capacity：lithium battery 230 mAh
Standby Time: 15days
Charging: Magnetic charging
Waterproof: IP67