Compatible with for Android and for Windows system, suitable for Windows PC/tablet and for Android phone/tablet that is bluetooth-compatible enabled. Comes with touchpad, ultra slim, lightweight & compact design allows easy storage and use when traveling. Built-in 280mAh rechargeable Li-polymer battery provides 90 hours of continue working time on a full single charge. Made of high-grade plastic materials, the low-profile keys offer quite and comfortable typing. The words on the keyboard surface with UV film treatment will not fade. Mechanism switch, high sensitive, fast response, good hand feeling. Type: bluetooth-compatible Keyboard Material: Plastic Keys + Iron Bottom Cover Compatible System: for Windows & for Android (Not Support for iOS System) Bluetooth: 3.0 Battery: Built-in 280mAh Lithium Battery Operating Range: Up to 10m/33ft Continue Working Time: 90 Hours Charging Port: Micro USB Number of Keys: 59 Size: 20cm x 12.6cm x 0.62cm/7.87" x 4.96" x 0.24" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x bluetooth-compatible Keyboard1 x USB Cable1 x User Manual (The tablet is not included.)