ABS Keyboard Keys: ABS keys are smooth and flexible, stylish, more beautiful and durable Stand Function: The leather cover can be used as a supporting stand for hands-free movie watching and web surfing, 3-gear angle adjustable Backlit Keyboard: Designed with 7 color backlight, 3 brightness adjustable, cool and beautiful Pen Slot: There is a slot to place your stylus, don't worry about losing it (Not including the stylus) Rechargeable Keyboard and Mouse: The keyboard and mouse have built-in lithium battery, convenient to charge and use Specifications: Keyboard leather case: Material: PU leather + ABS plastic Bluetooth-compatible chip: Bluetooth-compatible 3.0 Link distance: 10M Keyboard sorting: American English Battery capacity: 280mAh Standby time: 80 days Continuous working time: 60H Charging time: 1.5-2H Key life: 5 million Mouse: Built-in rechargeable battery: 400mAh Rated working current of mouse: 6mA Three-stage adjustable resolution: 800-1200-1600DPI Wireless working channels: 16, automatic frequency hopping Wireless working frequency: 2.402-2.480GHz Wireless transmission speed: 1-2M bps Effective distance: about 10 meters Acceleration: 28 inches/second Image processing: 3000 frames/second Mouse button life: 3-5 million times Working temperature: -15 to 60 Size: 11*5.8*2cm Compatible with: Galaxy Tab A9+ Package included: 1 x Bluetooth-compatible Keyboard 1 x Leather Case 1 x Mouse 1 x Receiver 1 x Charging Cable 1 x English Manual Other items not included