Product information：  

Model: R911 

Control method: touch control + button 

Battery type: polymer lithium battery

Screen size: 1.28 240*240 IPS 

Battery capacity: 400mAh 

Screen type: TFT IPS 

Bluetooth: 4.0BLE (low power consumption) 

Main control chip: NRF52832

Charging method: dedicated charging cable 

Sensor: BST-BMA253 

Compatible system: Android 4.4 and above, 10S8.2 and above

weight: 

Net weight: 70.7G 

Gross weight: 263.7G 

Box size: 120MM* 120MM*88MM