Working frequency: 2.4GHz - Bluetooth version: V2.0 /HID V1.0 - Operation distance: 10m - USB 2.0 receiver included - Built-in 1000mAh rechargeable lithium battery - 80 Qwert keys - Charging time: 3~5h - Using time: 10h with backlight; 15h without backlight - Standby time: 600h - Has a mini touchpad allowing you to take control of the mouse pointer - Features include a red laser pointer & backlit - Support language: English French Swedish Spanish German Chinese Simplified Chinese Traditional - Package included: - 1 x Handheld keyboard - 1 x USB cable - 1 x English user manual