Vibrating Alarm Clock Watch For Heavy Sleepers Silent Wake-Up Smart Bracelet Men Women Adjustable Wearable Vibration

Product parameters: Material: Food-grade environmentally friendly silicone Display screen: LED display screen Charging mode: USB Supply voltage: DC=5V Battery capacity: 50mAh Pedometer: G-sensor Step calculation precision: ±5% Number of steps displayed: 39999 steps Weight: 18G Overall dimensions: 215(L)*17(W)*8(H)mm Operation atmospheric pressure: 860hPa-1060hPa Product brief introduction: High-sensitivity 3D acceleration sensor (perform the small movement, step calculation more accurate) 2. Free transformation for step calculation (humanized design, one-time step calculation, as well as 24-hour step calculation, shift as you wish) 3.Time/date (manual setting for the time/height/weight) 4.calorie,distance (can check the motion information in the bracelet) 5. Motion data memory The bracelet keeps the motion data for 24 hours, automatically erases it at zero hour, intelligent and worry-saving. 6. Silent alarm clock (can operate the setting on the bracelet, no complicated handling on the app) 7. Team ekeeping function Use the bracelet to keep track of time; the movement/distance/time can be clearly seen. 8. The bracelet is equipped with a USB interface. (Can be used once charged, very convenient) 9. Li-polymer charging battery Li-polymer lithium battery is safer and has a longer lifespan.