Specification:
    Functions: Step counting, ranging, calorie consumption management, sleep management, time display,event reminders (water, medicine, etc., meeting custom),clock display, alarm, sedentary remind vibration self timer clock.
    Color: Blue,Black,Orange,Green,Grey,Yellow
    Standby time: Normally use for 2-3 days, standby for one week.
    Compatable with: Android 4.3 or above, Ios 6.1 or above (such as Phone 4S, Phone 5, 5C, 5S),
    Display: OLED64*32  PK Fitbit  & Mi band
    PCB size: 34.6*14.5*0.8
    Battery type: 301425
    Bluetooth chip: Quintic QN9021
    The main chip: Quintic QN9021
    Sensor: G sensor PK Fitbit  & Mi band
    Memory: 64KB RAM + 64KB ROM
    Screen: OLED 64*32
    Bluetooth version: 4.0BLE (low power consumption)
    Appearance material: Aluminum alloy shell, soft rubber strap
    Model: TW64 same style as  Fitbit  & Mi band

• Tracks steps: Record and track steps accurately. Measure your daily walking distrance precisely.
• Calorie consumption management: Caculate the consumption of calorie, record the daily burn-up calorie.
• Sleep quality monitor: Monitoring your sleep cycle automatically, record the quality of sleep.
• Call reminder: When incoming calls are not answered in certain time,the smart wristband will remind you by vibration.Setting reminder for drinking, taking medicines, meeting, sitting for too long or other customized alarm.When new message arrived, the smart wristband will remind you by vibration , in that case you won't miss any timely message.
• Time display: Sync your smart phone with LED digital time display.

Tracks steps: Record and track steps accurately. Measure your daily walking distrance precisely.LILY