How to Use: Turn on the rear switch or wired connection to use, please refer to the manual for detailed operation instructions. Specification: Item Type: Mechanical Keyboard Material: ABS Color: White Connection Mode: Support Wireless 2.4G, BT 3.0, BT 5.0, Type C Wired Lighting: RGB Multiple Lighting Modes Key Conflict: N Key Rollover Battery Capacity: Built in 1800mAh Lithium Battery (Included) Ergonomics: Support Working Voltage: 5V DC Working Current: 300mA (max.) Standby Current: 0.5mA Compatible Systems: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 OS X and Other Systems Package List: 1 x Mechanical Keyboard1 x Key Puller 1 x Adapter 1 x Data Line 1 x User Manual Note: Shipped with built in battery.