smart watch H39

FEATURES: One-click Bluetooth call 1.38-inch screen: 240 * 240 Alexa voice Multiple sport modes Main material: plastic Waterproof rate: 2ATM防水 Master control chip: ATS3085L Battery capacity: 300mAh Scheme: AWEI Sport Magnetic charging: supported Charging time: about 2.5 hours Usage time (BT): 5-7 days Usage time (GPS): 20 hours Heart-rate/blood-oxygen monitoring, physiological cycle/sedentary reminder, customized dials, flipping wrist to display, time display, remote photography, music control, alarm clock, multiple sports modes, etc. Swimming: unsupported | PARAMETERS: