This item is on PRESALE, which will come out on August 2018. Your order may be shipped after the estimated shipping date. Thanks for your understanding.

​- Battery capacity: 110mAh
- Standby time: about 20 days
- Battery Type: Lithium Ion Polymer Battery
- Input voltage: DC 5.0V
- Input current: 250mA Max
- Weight : about 20g (with wristband)
- Body material: plastic
- Waterproof rating: 5ATM
- Working temperature: -10°C～50°C
- Screen size : 0.78 inches
- Display resolution: 128 x 80
- Sensor : triaxial acceleration sensor, PPG heart rate sensor
- Wireless: Bluetooth 4.2 BLE Edition
- Compatibility: Android 4.4 or iOS 9.0 and above systems that require Bluetooth 4.0 support
- Unlock function: support models support MIUI systems based on Android 4.4 or later, or Android 5.0 or above,
and models that support Smart Lock function
- Wristband material: thermoplastic elastomer
- Wrist buckle material: aluminum alloy
- The bracelet body size: 17.9 x 46.9 x 12mm
- Wristband length: 247mm
- Adjustable wrist strap: 155 - 216mm
- All functions: Time display, Caller ID display / reject, Instant message display (wechat, QQ, etc.), Lift the wrist to light screen on, Target achieve reminider, Long time sitting reminder, Vibrating alarm clock, Not disturb mode, Friends and family following, Automatic step counter, Unlocks mobile, Event notification, Sleep monitoring, Find cell phone, Heart rate monitoring, Weather forecast, Target setting, WeChat red envelope reminder, Calorie consumption, Pairing reminder, Sports miles recording, Dial change, Notification timer, Display content setting, Low Battery Reminder, Wear Mode Select, Swim Wearable, OTA Upgrade