Feature : 1. Wear resistance: This retro style mechanical keyboard is made of impact resistant material for high wear resistance. 2 . Easy Operation: This retro mechanical keyboard has blueteeth 5.0 which supports 3 FN master control devices for comfortable operation. 3 . 2000mA Battery: This retro mechanical keyboard has a built-in 2000mA battery that can support 16 hours of wireless control and operation. 4. Unique Design: This retro mechanical keyboard has notebook and phone holder, light and brightness can be adjusted. 5. Wide application: This retro mechanical keyboard is suitable for work, study and games, can be used at home, school and office. Specification : Item Type: Mechanical Keyboard Material: ABS and PCBA Model: TW1867 Bluetooth version: 5.0 Number of keys: 83 keys Interface: Mirco USB Input current: 5V/110mA Battery type: 2000mAh lithium battery (built-in) Supported Systems: Suitable for Win 10, for IOS and for Android. Package List : 1 x mechanical keyboard 2 x interchangeable axis 1 x key puller 1 x data cable 1 x User Manual Plug and play