... Silicone Keyboard Dock, Leather Cover Case, BLACKFeatures:• High-quality and durable synthetic leather with high density ultra-fine velvet lining, comfortable, lightweight and ... . Plug ad Play, no software or driver required.• Built-in rechargeable lithium battery lasts for approximately 45 hours per charge ... 200 x 31 mm* Case weight: 520g* Total weight: 726g 2 in 1 Bluetooth Silicon Keyboard & Case