Quantity 1 Piece Color Pink + white + grey Material Silicone + plastic Compatible Models Suitable for computer cellphone new Ipad 2 / 3 Samsung and other tablets cellphones w/ Android 4.0 such as Iphone 4 / 4S and HTC etc. Supported OS Windows98 / ME / 2000 / XP / Vista and Wired/Wireless Wireless Keys 84 Connection Bluetooth V2.0 Operating Range 10 m Battery 360 mAh Charging Time 3h Working Time 15h Standby Time 300h Features Waterproof foldable and portable; Working voltage: 1.9~3.3V; Working current: Other Can auto display power volume; Ultra-thin with mute function; Anti-pollution anti-acid anti dust and waterproof (only silicone part); Supports computer and business cellphone convenient for your work; Working temperature: -20~55'C; Humidity: 20%~50%; Energy-saving; Keyboard is toxic-free and harmless; Great hand feeling; Long life can press for 15 million times; Got certification of FCC / CE / RoHS; USB port; Note: should install related cellphone bluetooth software that running in the background when installing on cellphone Packing List 1 x Keyboard 1 x USB cable (50cm) 1 x English user manual