Advanced 2.4GHz wireless technology, anti-interference connection. Wireless keyboard with touchpad, no mouse operation required. 69 backlit keys provide convenience for night staff. Comes with a USB receiver, plug and play, perfect for HTPC, for PS3, for PS4, for XBOX 360, for XBOX One, etc.. And the receiver can be stored in the keyboard slot. Item Name: Wireless Keyboard Material: ABS Supported System: for Android, for Linux, for Windows 2000, for Windows 7, for Windows Vista, for Windows XP Interface Type: USB 2.0 Working Voltage: 3.3V Working Current: 80mA Sleep Current: 1mA Transmitting Range: 10 Meters Battery: Rechargeable Battery (Included) Language: English, Russian, Spanish (Optional) Features: Mini, Rechargeable, Ultra Thin, Wireless Size: 15.1cm x 5.7cm x 1.3cm/5.94" x 2.24" x 0.51" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Keyboard 1 x Receiver 1 x USB Cable 1 x User Manual