This is a 2.4GHz wireless keyboard with 92 keys and a touch pad.
The touchpad has the DPI adjustable function.
Mini qwerty keyboard with the multimedia control key and the PC game control key.
Automatic sleep and automatic wake-up modes can save energy.
Ergonomic handheld design, easy to carry and operate.
This version is without backlight and powered by two AAA batteries (not included)
This is not Bluetooth, have own usb dongle.
Works with Windows, Android, even Mac but most importantly Raspberry Pi and other linux based platforms Material: Black ABS Language: English Battery: 2 x AAA Battery (Not Included) Working Range: Max. 10m (Barrier Free) Transmitting Power: Max. +5dB Working Voltage: 3.3V Working Current: <50mA Sleep Current: <1mA