Display: 0.69 inch OLED
Battery capacity: 45mAh
Work time: 7-10 days (without constant HR testing)
Batteries Type: Lithium Polymer
Input voltage: 5.0V
Waterproof: IP65 (please NOT wear for HOT-WATER showering!)
Heart rate sensor: Optical heart rate sensor (can turn ON/OFF)
Adjustable length: 157-205 mm (6.18-8.07 inch)
Measuring method: photoelectric volume pulse wave plethysmography (PPG)
Bluetooth chip: Dialog top Bluetooth chip (Bluetooth 4.0)
Sensor: ADI military gravity sensor
Length: 157-205 mm
Main Part: 13.7g
1. The screen will auto light up and display time when you turn over hand(not shake hand), it remains black when there's no activity.
2. Touch screen control: click to confirm, slide to enter next icon, please refer to user manual.
3. Enable message notification(facebook, twitter, skype) on "zeroner", the Bracelet will vibrate and display caller ID or message content(32 characters per line, click to display the left).
Note: iPhone will display both ID and message content, Andriod will display either.
4. It tracks your steps, walking distance, calorie burnt, monitor sleep quality. Vibrating alarm can be used to remind of getting up, drinking water or sitting too long.
1 x Fitness Tracker
1 x USB Charger
1 x User Manual