Product specification: --> 1.Product type : Folding wireless bluetooth keyboard --> 2.Suitable operation system : WINDOWS /ANDROID(Version 4.0 above) /IOS(Version 6.0 above) --> 3.Product style : Simple operation, small thin, easy to carry, fashion and cool --> 4.Connection mode : Bluetooth --> 5.Product color : White /Black --> 6.Product material : Aluminum --> 7.Sheath color : Black --> 8.Sheath material : PU leather --> 9.Charging port : Standard USB -->10.Package content : 1*Keyboard, 1*Sheath, 1*USB, 1*Specification Product electric parameter: --> 1.Standard MICRO interface --> 2.Operation distance up to 10 meters --> 3.Modulation system : GFSK --> 4.Operation voltage : 3.0-4.2 V --> 5.Operating current : <2.5 mA --> 6.Standby current : <0.3 mA --> 7.Sleeping current : <40 uA --> 8.Charging current : ≥200 mA --> 9.Standby time : >200 days -->10.Charging time : <2 hours -->11.Lithium battery capacity : 280 mA -->12.Uninterrupted working time : >90 hours -->13.Lithium battery life : 3 years -->14.Lithium battery specification : 3.8*20*35 mm -->15.Keying force : 60±10 g -->16.Key life : 3 million strokes -->17.Operating temperature : -10 ~ +55 ℃ Product Usage: --> 1.Keyboard power switch controled by Magnetic, open the keyboard, power switch start automatically and the green power light on. --> 2.When your device first connect the keyboard, press "Fn+C", the blue light flashing, it means have already opened keyboard bluetooth function and it can be searched. --> 3.Then open your device bluetooth function, search bluetooth device name "Bluetooth 3.0 Keyboard", and press "connect", it will pop-up connection password. --> 4.Use keyboard input connection password, and press "Enter" ,automatically display already connected. Then you can use keyboard input anything. --> 5.After using, fold the keyboard, enter a dormant state automatically. --> 6.Your phone using the keyboard not the first time, after open the phone’s and keyboard’s bluetooth, it will connect automatically.