Attention: Welcome to my shop We ship the product from China, the delivery time is 7-14 days Product DescriptionHigh-definition screen cost-effective Bluetooth call bracelet. Battery capacity 235mAh.There are functions such as heart rate/blood pressure and blood oxygen detection, sleep monitoring, incoming call/SMS push, message reminder, stopwatch, temperature sensor, pedometer/calorie, incoming call rejection, dial selection, remote control music, remote control photography, etc.feature1. Aerospace aluminum process, double color2, Bluetooth call 3, ultra-thin, high-definition screen4. Three UI modes, SIRI voice assistant5. Split screen function, multi-dial, multi-sport mode