FeaturesHigh Quality 100% New Brand1. 100% Original Cases, for Original Tablet case2. 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.1: standard Bluetooth 3.0 version2: the effective distance is 10 meters3: standby time: 100 days4: continuous working time: 70 hours5: charging time: 4-5 hours6: lithium battery capacity: 200mha7: lithium battery life: 3 yearsUsage 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