2-in-1 DesignThis versatile case combines a Bluetooth keyboard with a durable PUTPU tablet case for complete protection and functionality Built-in Rechargeable BatteryThe Bluetooth 3.0 keyboard includes a built-in 200mAh lithium battery, offering convenient charging and long-lasting use Touchpad FunctionThe integrated touchpad allows multi-gesture controls that easily achieve all the functions Adjustable StandThe case can be converted into a supporting stand, allowing for hands-free movie watching, web surfing, or typing Stylus Pen SlotFeatures a dedicated slot to securely store your stylus device, preventing loss Stylus not included Slim amp LightweightWith its slim and lightweight design, this case is perfect for travel, business trips, and everyday use Specifications Bluetooth 3.0 standard interface Effective operating distance 10 meters Modulation mode GFSK Working voltage 3.0-4.2V Working 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 200mAh Continuous working time 100 hours Li-ion battery life 3 years Key force 80 plusmn10g Key life 5 million clicks Operating temperature -10 to 55 Touchpad Yes