A09B-A For Samsung Galaxy Tab A9+ X210 X215 X216 Leather Case + Touchpad Bluetooth Keyboard with Pen Slot - Dark Green ???2-in-1 Design??This versatile case combines a Bluetooth keyboard with a durable PU+TPU tablet case for complete protection and functionality ???Built-in Rechargeable Battery??The Bluetooth 3.0 keyboard includes a built-in 200mAh lithium battery,offering convenient charging and long-lasting use ???Touchpad Function??The integrated touchpad allows multi-gesture controls that easily achieve all the functions ???Adjustable Stand??The case can be converted into a supporting stand,allowing for hands-free movie watching,web surfing,or typing ???Stylus Pen Slot??Features a dedicated slot to securely store your stylus device,preventing loss (Stylus not included) ???Slim & Lightweight??With 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: