tw64 smart bracelet bluetooth smart wristbands smart watch waterproof passometer sleep tracker function for android ios system retail + box

1. time display: synchronous mobile phone time, hd led screen digital display; 2. sleep detection: automatic monitor sleep quality; 3. the energy consumption: calculate the daily consumption of calories / heat; 4. event reminder: drink plenty of water, take medicine, meeting, sedentary etc; 5. the motion detection: accurate records of daily walking of steps / mileage; 6. calls / sms vibrate reminders (only support for android ); 7. alarm clock vibrate reminder 8. anti lost 9. remote pgraph