GSAGear - Samsung Galaxy Tab 3 Bluetooth Keyboard Case with Detachable Keyboard for Samsung Galaxy Tab 3 10.1 inch (P5200, P5210) - Black Exclusively Designed for Samsung Galaxy 10.1 inch GT-P5200/P5210 Provides full access to all ports and features / Controls Laptop style keyboard with ABS keys, giving you better typing experience than silicone keyboard as other cases Charging time 4 - 4.5 hours; Estimated uninterrupted working time 90 hours Wireless Bluetooth V3.0 Keyboard