1. Wear Resistance: This retro mechanical keyboard is made from impact resistant material, which ensures high wear resistance. 2. Easy Operation: This retro mechanical keyboard has blueteeth 5.0 which supports 3 devices FN master control, providing convenient operation. 3. 2000mA Battery: This retro mechanical keyboard has inbuilt 2000mA battery which can support 16 hours wireless control and operation. 4. Unique Design: This retro mechanical keyboard possesses notebook and phone holder, the light and brightness can be adjusted. 5. Wide Application: This retro mechanical keyboard is suitable for work, study and gaming, can be used at home, school and office. Item Type: Mechanical Keyboard Model: TW1867 Blueteeth Version: 5.0 Keycap Number: 83 Keys Interface: Mirco USB Input Current: 5V/110mA Battery Type: 2000mAh Rechargeable Lithium Battery (Inbuilt) Supported Systems: Suitable for Win 10, for IOS, and for Android. Colour:Photo Color Material:ABS Package Contents: 1 x Mechanical Keyboard 2 x Replacement Axle 1 x Keycap Puller 1 x Data Cable 1 x English manual