22 Keys Wireless Numeric Keypad, 2 in 1 Wireless Bluetooth 4.2 Number Pad with Touchpad, Portable Wireless Numeric Keypad for Computers(Black)

How to Use: Plug and play. Specification: Item Type: Wireless Number Pad Material: ABS Supported Systems: For IOS, For Android, For Win Key: 22 Keys Wireless/BT: Nordic(nRF51802) BT + 2.4G Dual Modes BT Version: BT 4.2 Keyboard Life (Times of Pressing): 5 Million Response Time :30 MS Wireless/BT: Transmission Distance: Approx. 10 Meters / 10.94yd Operating Current/voltage :1mA/3.7V (Typing) 7mA/3.7V (Touch) Built-in Lithium Battery Capacity: 500mAh (Battery Included) Charging Time: 3 Hours Charging Port Type: Type C Use Time: More Than 6 Hours Standby Time: >6 Months Package List: 1 x Wireless Number Pad 1 x Charging Line 1 x 2.4G Receiver 1 x User Manual