Xtreamer mini Wireless Keyboard 2+Touchpad Mouse 2.4GHz Backlight Android TV Box
Input: 5V 300mA max
Battery: BL-4C 3.7V 810mA 2.997Wh
Operating Voltage:3.3V
All good working condition without battery and usb dongle, so sell it as part or not working.
If you also need the battery please check BL-4C battery in my store, or go to the following link ( https://www.ebay.com.au/itm/134084510987 ) .