- nRF51822 chip and Bluetooth 4.0 technology: Adopt nRF51822 chip and Bluetooth 4.0 technology that it can quickly and efficiently meet the needs of your life.
- Heart rate monitor: Give you the accurate real-time feedback, let you keep fit easily.
- Sleep monitor / Sedentary reminder / Pedometer: Take care of your health, monitor your sleep, remind you to have a rest and track your sports.
- Distance measurement: Measure your daily walking distance precisely.
- Calorie consumption management: Calculate the consumption of calorie, record the daily burned calorie.
- Call / SMS reminder: When a call or message is coming, you can check it without taking out of your mobile phone.
Product Link: D21 Bracelet Smart Watch