Twinbuys Smart Bracelet Bluetooth 4.0 Android iOS Touch Screen Fitness Tracker Phone Message Notice Pedometer Distance Calories Counter Heart Rate Sleep Monitor Health Sport Wristband Black;

1.CPU choose Dialog, Bluetooth 4
2 display 0.69 inches OLED (resolution 96x16)
3 gravity induction is the 3 axis gravity induction
4 polymer rechargeable lithium battery 40 Ma
5 built in, vibration alert
USB 6.5V plug, PC USB direct charging, waterproof grade IP57
7 full power about 7 days at a time
8 compatible mobile phone operating system Android 4.3 and above (Samsung Galaxy S4, Galaxy Note3 and the latest models) or iOS 7 and above (iphone4s and above)
Synchronization of 9 Bluetooth data to mobile phone applications, motion data is kept for 7 days
10 Heart rate , motion tracking (step, distance, calories), sleep monitoring (sleep quality, sleep time), fitness goal setting, fitness information sharing (Android)
11 calls to remind (Android), information (Android), to remind the anti lost reminder (mobile phone out of range), exclusive first touch operation,
12 alarm reminder, reminder, remind a sedentary activity
13 for the mobile phone Bluetooth, self timer
14.APP compatible language: simplified Chinese, English
15 watch strap Technology: TPU material
packing:1. Done 6 smart Bracelet 1pc
2 .user manual 1pc
3. retail packaging 1pc
4.USB line 1pc