The bluetooth keyboard of ipad is the worlds thinnest, and it is just 16.5mm and weighs just 280 grams! 

Enclosure of aluminium alloys is used to make the machine more attractive, fashionable and more integration with ipad native.

Features:

Bluetooth 2.0 interface standard

Operating distance to 10 meters

Modulation system: GFSK

Operation voltage: 3.0-5.0V

Standby time: 60 days

Charging time: 4-5 hours

Lithium battery capacity: 160 mA

Uninterrupted working time: 55 hours