Naztech 12446 Sliding Bluetooth Keyboard Case for Samsung Galaxy S3 - Retail Packaging - Black Backlit Keyboard, Full QWERTY layout, Built-in Li-ion Rechargeable Battery Bluetooth Version: 3.0, Battery Capacity: 280mAh, Charging Voltage: 110-240V Charging Time: 2 hours, Standby Time: 45 days, Fast Bluetooth 3.0 Connection Package Contents: Bluetooth Slideout Keyboard, Micro USB Charging Cable, User Manual Compatible with: Samsung Galaxy S3