Wireless Numeric Keyboard Chocolate Keycap for Game Direction Switching AK18 2.4G

Stable wireless connection function, effective control range up to 10meter. The numeric keyboard uses the button to crte a quiet typing environment for you. Low power consumption, strong battery life up to 12 months, battery life. Item Type:  Wireless Numeric Keyboard Product Model: AK18 Product Name: 2.4G wireless numeric keyboard Product Size: Approx. 89 x 129 x 27.5mm / 3.5 x 5.1 x 1.1in Weight: Approx. 100 g / 3.5 oz +- (5 g / 0.2 oz)(including counterweight) Battery Type: 1 x battery (not included) Number of Keys: 18key Connection : RF 2.4GHz System Requirements: For / 7/ 8/ 10/