Features: Type-C connection, drivefree Mini and compact, with customizable button functions for one click copying and pasting Combining buttons to achieve complex operations with just one click, making it a great helper for office/gaming/music/media/industrial control With knob function, it can switchfrom previous song to next song, increase or decrease the volume, and zoom in and out images with one hand operation Mechanical key shaft, durable up to 50 million times; Supporting ergonomic design and multiple operating system Specifications: Size：approx 115x34x18.96mm/4.52x1.34x0.75in Material ：+Silicone Keys：5-Key Connection： TypeC Bluetoothcompatible 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 0-1cm error due to the manual measurment