FeaturesHigh Quality100% New Brand1. Perfect,high quality Tablet case 2. Made of high quality material. 3. Fashion design, easy to put on and easy to take off. 4. Perfectly fits the shape. 5. Durable and washable. 6. Protect your equipmentfrom dust, scratching and shock. 7. Protect your valuable investment from scratch and damage.Features:Built-in slimmest wireless Bluetooth 3.0 keyboard.Built-in Rechargeable lithium battery lasts for approximately 100hours per charge.Energy saving keyboard sleep modeUltra-thin Bluetooth KeyboardSleek,compact design for maximum portability and convenience.Provides quicker and more comfortable typing and improves the accurancy of the operation.Easy to remove from the PU leather case.USB charging cable included.Specification:Bluetooth version:3.0Distance of use: 10MOperating frequency: 2.4 GHz.Operating voltage: 3.0-4.2VOperating Current: <2.5mAStandbyCurrent: <0.3mACharging Current:>200mACharging Time : 4-5 hoursKey life: 500 million timesworking time:100 hoursStandby time: >100 daysBattery capcity:200 mAhWorking temprature:-10-+55Key life:2-3 yearUsage method:【1】; open the Bluetooth keyboard [OFF/ON] open to ON, Power lights up【2】; at the same time press the keyboard [Fn+C] button, CAPS lights will flicker【3】; open your device (Tablet) to open the Bluetooth search function, find [Bluetooth 3 keyboard], click on the connection【4】; enter the verification code [four digits], press [Enter] to connect successfully, OK goodKeyboard shortcut keyboard:Fn+ space = switch input methodFn+Ctrl= returns home page keyFn+Win: close touchFn+F11: volume expansion