Function Parameter: 1.Support iOS 7.0 above &Android 4.3 above & BT4.0 above 2.Typical function: date, time display 3.Heart rate sensor: Green light static heart rate sensor 4.Palming bright screen 5.Pedometer (step, distance, calories) 6.Bluetooth pairing synchronous data, 7.Incoming calls to vibration reminder, 8.Time reminder: alarm clock, 9.Sendentary reminder, 10. Sleeping Management, 11.Screen save timer, 12.Erase user data Basic specification: Color: Black, White, Pink, Purple 1.Chip model: nRF51822 (Cortex M0 16MHz) 2.LCD: 0.66 OLED 64*48Dots; 3.Memory: 256K 4.Motor: Cylindrical vibration motor 5.Sensor: 3-axis acceleration sensor 6.Key-press: touch key 7.Battery Capacity: 80mAH Polymer lithium( charge time 30 minutes stand by 120 hours) Package: 1* D21 Wristband 1* Charger 1* User guide
Trustpilot
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