Features: 1.Widening and Enlarging: The wireless keyboard has 10in widening and enlarged processing, with more keys and wider keys 2.Portable and Slim: The touchpad keyboard is portable and slim, making it ideal for travel or business trips 3.Waterproof and Dustproof: The wireless keyboard trackpad is a scissor keyboard, which waterproof and dustproof, with quiet keys 4.Touch Function: The laptop wireless keyboard has a touchpad function, allowing you to get rid of the dependence of the mouse and operate the keyboard better 5.Scope of Application: The touch keyboard can be used with smartphones, tablets, laptops, desktop computers specification:Item Type: Wireless Keyboard Material: ABS BT Version: BT 3.0 Within 10 Meters: Effective Operation Possible Modulation Method: GFSK Operating Voltage: 1.8 to 3.6V Working Current: