Features: 1.[Color Backlit] Equipped with color backlit, allowing you to have a cool gaming experience when using the mechanical keyboard. 2.[Dual Mode] Supports USB wired and wireless BT dual mode connection, has excellent performance and high work efficiency. 3.[Ultra Thin] Small in size, light in weight, ultra thin, easy to carry, can be carried around, and can save table space. 4.[61 Keys] This mechanical gaming keyboard has 61 keys, can be used in all environments, homes and offices. 5.[Material] Made of high quality ABS, this mechanical gaming keyboard is sturdy, durable and not easily damaged. specification:Item Type: Mechanical Keyboard Material: ABS Color: Black Lighting Effect: Color Backlit Number of Keys: 61 Keys Shaft Body: Green Shaft Connection: Wireless BT 5.0, Wired (The Switch Key Needs to Be Turned Off) Wireless Distance: Approx. 10meters / 10.9yd Battery Type: Built in 2200mah Lithium Battery Applicable Equipment: General Desktop and Notebook Computers PackageList:1 x Mechanical Keyboard 2 x Replace Shafts 1 x Key Puller 1 x Data Line 1 x User Manual NoteShipped with Built in Battery