Features:

Gesture Checking Very cool and convenient way to check the time and message by ""Wrist Gesture"".
Two Way Connecting D5 wristband support Bluetooth 4.0 and WiFi two way to connecting the cellphone App.
Long Using Time High Capacity battery keeps about 7 days working by one time charge.
Display Big 0.91 inch 128 * 64 pixel OLED screen, easy to check the message, phonecall, twitter, facebook etc.

Functions:

[Tracks Steps] Record and track steps accurately.
[Distance Measurement] Measure your daliy walking distance precisely.
[Calorie Consumption Mangement] Calculate the consumption of calorie, record the daily burn-up calorie.
[Sleep Cycle] Monitoring your sleep cycle automaticaly, record the quality of sleep.
[Time Display] Sysnc your smart phone with OLED digital time display.
[Reminder] Setting reminder for dringking, taking, meeting, sitting for too long or other cusuomized alarm.
[Call and Message Reminder] when incoming calls are not answered in certain time, the smart wristband will remind you by vibration.
[Burst Shot] self-timer function.

Hardware

System: Compatible with iOS 7 or above and Android System 4.3 or above.
Charge method: Standard USB charging.
Battery: 40mAh polymer battery.
Waterproof:IP67.

App Installation:

Download the APP of the wrisband Find Zeroner from Andriod Market or Apple Store.

Recording and tracking your activity accurately.

Cool function turn over hands to check the time and message.

Calculating and recording the consumption of your daily calorie.

0.9 inch OLED Screen easier check push reminder from Phonecall, SMS, Twitter, Facebook, Skype etc.

Bluetooth 4.0 and WiFi two connect mode keep the App connecting more stable.