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 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 A0M9 Weight 411g Product size 22.215.52cm 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 150mAh Sustainable working time 100 hours Lithium battery life 3 years Key force 80plusmn10g Key life 5 million clicks Operating temperature -1055