This bluetooth wireless keyboard with touchpad is suitable for tablets devices, android phones and windows devices ranges from 9.7 inch to 11 inch, great for all occasions, parties. Color: black material: leather style: capture bluetooth version: 3.0 applicable system: tablets, phone android, windows devices interface: multiple indicator cluster surveys scope of operation. Continuous working hours: 44 hours lithium battery life: 3 years button life: 5 million times the built-in bluetooth keyboard allows your tablet to enter the style of your android tablets, laptop for faster and more comfortable typing. In fashion cases, protect the tablet from scratches and dirt. The bluetooth keyboard can be used to connect other compatible bluetooth support devices. Built-in rechargeable keyboard batteries.