This is a mini keyboard with custom functions, used in design, stock, office, game, music, media, industrial control, testing and other fields. Large-capacity rechargeable battery with low power consumption, 90 days long standby time. Support one-key copy and paste 2.G wireless,Bt wireless, wired TyPe-C interface dual mode, no driver required, plug and play Metal knob, one-handed control of music cutting, volume, pause, previous song, next song, zoom in and out, previous page and next page;With mouse and delay function:Can single key 18 characters, support one key password Current and voltage: DC 5V/1A Interface: type-c Axle: Outeum Red Switch Colour:black Material:ABS Notice: 1. User manual and customized software can be requested after purchase 2. Need to use windows system for custom settings 3. Support hot swap 4. Support Bluetooth-compatible 5. Support 2.4G wireless conect 6. Three sets of definitions can be set and switched freely Package Contents: 1 * Mechanical Keyboard 1 * 2.4G Receiver 1 * USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.