Perfectly for Your Device: This case allows full access to all features & controls (cameras, speakers, ports & buttons) without removing the case. Perfect fit, precise cut-outs provide easy access to all of the features & functions of your tablet Detachable Bluetooth Keyboard: This protective set includes a PU leather case + a wireless Bluetooth keyboard. The keyboard is slim and portable, which is very suitable for traveling and business trips Built-in Touchpad: The integrated touchpad allows multi-gesture controls that easily achieve all the functions Backlit Keyboard: The soft backlight provides illumination and enables smooth typing even in dark environments With Stand: The stand case makes it much more comfortable for typing, watching videos, Internet surfing, and reading while keeping both your hands free & avoids any joint pain Fully Protection: High-quality material combined with excellent workmanship makes this case feel very stylish. Fully protects your device against shock, abrasion, scratch, fingerprint, dirt, etc. Keys function introduction: Fn+C key: open the Bluetooth keyboard FN+Ctrl key: return to the main page  FN+Win key: close the touchpad FN+F11 key: volume+ Other functions can be used according to keyboard prompts Specifications: Bluetooth version: 5.2 Li-ion battery capacity: 150mAh Working time: 100 hours Standby time: >100 days  Battery life: 3 years  Number of key presses: 5 million times