Features: 1.Wide Compatible: Keydial keyboard is compatible with for Huion series digital display for Win 7 or higher and for OS X 10.12 or higher for Surface Pro 2.18 Customizable Keys: You can customize all keys to your liking, and the keys provide default functionality in driverless mode 3.Wireless Connectivity: Shortcut keys keypad has 2.4 GHz wireless capability, providing a connection distance of 5 to 10 m. 1200 mAh battery ensures continuous operation for about 100 hours. Connection and charging via USB C port 4.Scissor Switch: Mini custom keypad features a scissor switch keyboard design that allows you to get a glossy keystroke experience from all directions. Short total key travel reduces finger fatigue 5.Ergonomic Design: Mini keydial keyboard has an ergonomic design that fits both left and right handed. Four non slip rubber feet on the back ensure stability when you press the keys specification:Item Type: Keydial Keyboard Material: ABS Model: K20 Connection Mode: USB Wired and Bluetooth Key: 18 Programmable Keys and Dialing Controller Battery Type: 1200mAh Lithium Ion Battery (built in) Compatible Models: For Q11K V2 For WH1409 V2 For H610PRO V2 For Inspiroy Series: For H430P For H640P For H950P For H1060P For H1161 For H320M For Q620M For KD200 For H580X For H610X For H420X For Kamvas Series: For Kamvas 12(GS1161) For Kamvas 13(GS1331) For Kamvas 16(GS1562) For Kamvas 16 2019(GS 156) For Kamvas 20(GS1901) For Kamvas 22(GS2201) For Kamvas 22 Plus(GS2202) For Kamvas Pro: For Kamvas Pro 12(GT 116) For Kamvas Pro 13(GT 133) For Kamvas Pro 16(GT 156) For Kamvas Pro 20(GT 192) For Kamvas Pro 22(GT 221) For Kamvas Pro 20(GT1901) For Kamvas Pro 22(GT2201) For Kamvas Pro 24(GT 240) For Kamvas Pro 16(GT1561) For Kamvas Pro 16 Plus(GT1562) PackageList:1 xKeydialKeyboard1 x USB Cable NoteShipped with built in battery