New Bluetooth call with smart bracelet Standby time 10 (basic viewing mode); 7 (daily use mode); 220 minutes (Bluetooth call mode) Charging time is about 1.5 hours Special function: Bluetooth call (answer/make calls), heart rate monitor, blood pressure monitor, blood oxygen monitor, step tracker, Calories burned tracker, Sleep and step tracker, Exercise tracker, Daily step goal, Real-time pace and distance, Target celebration, Mobile reminder, Smartphone notification, Countdown timer and stopwatch, Alarm clock, multiple dial, wrist rotation detection, music control, panoramic photo. color depends on the first main picture Packing size: 135*90*33mm. 130g Package: 1 x Watch 1 x USB Charging Clip 1 x User Manual