Size: 245*15*7mm
NW:198g
Bluetooth keyboard:9.7inch, for ios /windows /andorid
1. Color:  black
2. Material: Plastic + ABS
3. Bluetooth 3.0 standard connector
4. Effective distance:  10 m
5. Lithium battery capacity:  180mAh
6. Working Voltage: 3.0--4.0V
7. Working Current: <2.5mA
8. Standby Current: 0.3mA                                                                                                       
9.  Sleeping Current: <200mAh                                                                                     
10.  Charging time: 1--2 hours                                                                          
11. Keystroke: 5 million times
12. Standby time: 50 days