Features: This mini keyboard with custom functions.Bluetooth-compatible/2.4G-/ -USB-C Wired- 3 modes. One-key to achieve complex shortcut keys.Full-key customization,multiple macros, easy to use Type-C to USB interface-, no driver required, plug-and-play, all keys functions can be set on the standard Windows- keyboard. Plug-and-play, support ergonomic design and hot swappable ,no driver required. Supports Windows- MacOS-, pad androids mobile tablets devices Specifications: Item: Mini Keyboard Number of Keys-:9-Key Material: ABS- Mode:Bluetooth-compatible/2.4G-/-USB-C Wired- Size: approx- 115.3X120X37MM/4.53x4.72x1.46in Color: Black/White Package Includes: 1 Piece Mini Keyboard note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.