Its a Bluetooth device and requires a Bluetooth compatible phone.
It has a QWERTY Keyboard which enables to type faster.
Foldable, small and lightweight Keyboard, convenient to carry.
Powered by 2 x AAA batteries
Auto power off when keyboard is folded
3 LED indicators: power on/off, wireless connection status and battery status
Weight: 210g Dimensions (open): 262 x 87 x 13 mm
Length (close): 133 mm
Thickness (close): 19 mm
Supported Bluetooth Specification 1.1
Supported Bluetooth Profile: HID, GAP
Operation time: Up to 30 hours
Battery: 2 AAA batteries
For more info click here.