1、Built in 1800mAh Battery: The computer keyboard has built in 1800mAh high capacity rechargeable lithium battery for long lasting. With an 82 key layout. Ergonomic layout design reduces wrist stress 2、RGB Backlight: The mechanical keyboard can be adjusted light speed and brightness at will, and the keycaps are transparent and clear 3、4 Switch Options: The gaming keyboard's linear action, green, and red switches are suitable for gaming and office work, and the brown switches are suitable for home office work 4、Scope of Application: Connect to different devices via Fn+Q/W/E/R/T/Y, support for Win2000, for Win ME, for Win XP, for Win Vista, for Win 7, for HarmonyOS, for Win 8, for Win 10, for Android, for IOS and other systems 5、3 Connection Modes: The gaming keyboard supports wireless 2.4G/BT3.0/5.0/Type c wired three modes, the key line separation is more convenient, and can be charged while wired. Full key no punch Item Type: Mechanical Keyboard Material: ABS Colour: Black Connection Method: Support Wireless 2.4g/BT 3.0/5.0/Type C Wired Lighting: RGB Multiple Lighting Modes Conflict of Keys: No Conflict for All Keys Battery Capacity: Built in 1800mah Lithium Battery (included) Ergonomics: Support Working Current: 300mA (maximum) Standby Current: 0.5mA Compatible System: For Win2000, for Win ME, for Win XP, for Win Vista, for Win 7, for HarmonyOS, for Win 8, for Win 10, for Android, for IOS and other systems 1 x Mechanical Keyboard 1 x Key Puller 1 x Adapter 1 x Data Line 1 x User Manual