Specifications :
Main control chip:nRF52832
Display:TFT0.96 Color screen(160*80)
Memory:256K+16M
Battery:351525(105mAh)
Word stock:APP language: English, French, German, Italian, Japanese, Korean, Malay, Portuguese, Russian, simplified Chinese, Spanish, traditional Chinese
Waterproof level:IP67
Standby time:30days
Use your time:5-7days
Compatibility:IOS 8.2,Androi 4.4
Bluetooth version:BLE4.0