1Touchpad Design: The wireless numeric keypad has a large touchpad with left and right push buttons 2Dual Mode Connection: The wireless numeric keypad has BT and 2.4G wireless dual mode, which can be switched with one key and connected quickly 3ABS Material: The wireless number pad is made of ABS material, the transmission distance is 10m, with the Type C interface 4Portable Size: The type C number pad is a portable size, which is small and light, you can carry the keypad with you for convenient use 5Wide Compatible: The number keypad can automatically identify for Win, for IOS, for Android, for OS X system Item Type: Wireless Numeric Keypad Material: ABS BT Chip: For NRODIC BT Version: 5.0 Transmission Distance: Approx. 10meters/10.9yd Number of Keys: 22 Keys Interface: Type C Touchpad Size: Approx. 78 x 110mm / 3.1 x 4.3in Battery Type: 500mah Li Ion Battery (built in) Support system: For Win, for IOS, for Android, for OS X 1 x Wireless Numeric Keypad 1 x Receiver 1 x Data Line 1 x User Manual