1. Bluetooth 3.0 connect 2. Slider keyboard 3. With backlight for night use 4. Energy saving 5. Waterproof, dustproof

Feature:

Built-in wireless buletooth 3.0 keyboardABS case protect your phone With back light button for night useSideslip keyboard, unique design support phone to standSupport windows/XP/vista/win7/MAC/Ipad systemSupport ios, google, android, Symbian, windows mobile 6.0 systemBuilt-in rechargeable lithium bettery lasts for approximately 18 hours per chargeLight weight ,quiet keystrokes and dust-proofEnergy saving

Specification:

Working voltage	3.0-5.0V
Working current	<5.0MA
Standby current	3MA
Sleep current	<200μA
Charging current	≥100mA
Charging time	3-4 hours
Standby time	25 days
Battery capacity	240 mah
Continuous working time	18 hours
Battery life	3 years
Button Number	50
Button strength	70±10g
Button life	5,000,000 times
Temperature	-20 - +55°C
Humidity	20%-50%

Demension	120*61*14mm
Weight	90g

Bluetooth sideslip keyboard hard case for iphone 4/4s