Vikye Numeric Keyboard Chocolate Keycap with Stable Connection Effective Control Range up to 10m for iOS Gaming (Black)

["Stable connection function, effective control range up to 10meter.","The numeric keyboard uses the mute to create a quiet typing environment for you.","Low power consumption, strong battery life up to 12 months, long battery life.","2.4GHz connection, 18-key design, with backspace key, you can easily correct the text.","System requirements for XP/Win7/Win8/Win10/IOS, with strong adaptability.","","","","",""]