2-in-1 Bluetooth Keyboard and Tablet CoverBluetooth keyboard and PU leatherTPU tablet protective cover 2-in-1 design Convertible Stand for Hands-Free UseCan be converted to a supporting stand for hands-free movie watching and web surfing Built-In Stylus Pen LoopThere is a loop to place your stylus pen, dont worry about losing it not Included stylus Durable Bluetooth 3.0 KeyboardThe Bluetooth 3.0 keyboard has long-lasting button life, durable to use Built-in TouchpadWith a built-in touchpad function, it will offer a great aid when you do not have a mouse in hand Backlit DesignThe keyboard is designed with 3 colors backlit for convenient use at night Rechargeable Lithium BatteryThe keyboard has built-in lithium battery, convenient to charge and use Slim and Lightweight DesignSlim and lightweight design, convenient for travel, business trip, etc. Specifications Model AV11-AS Weight 595g Product size 26.3182cm Bluetooth version 3.0 Effective operating distance 10 meters Modulation mode GFSK Operating voltage 3.0-4.2V Operating current lt2.5mA Standby current lt0.3mA Sleep current lt40uA Charging current gt200mA Standby time gt100 days Charging time 3-4 hours Lithium battery capacity 450mAh Sustainable working time 100 hours Lithium battery life 3 years Key force 80plusmn10g Key life 5 million clicks Operating temperature -1055 Charging port Type-C