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 paste2.G wireless,Bt wireless, wired TyPe-C interface dual mode, no driver required, plug and playMetal 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 passwordCurrent and voltage: DC 5V/1AInterface: type-cAxle: Outeum Red SwitchColour:blackMaterial:ABSNotice:1. User manual and customized software can be requested after purchase2. Need to use windows system for custom settings3. Support hot swap4. Support Bluetooth-compatible5. Support 2.4G wireless conect6. Three sets of definitions can be set and switched freelyPackage Contents:1 * Mechanical Keyboard1 * 2.4G Receiver1 * USB CableOnly 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.