Feature:
Radio frequency adopts DSS mode, high speed and stable
Great anti-jamming capability for comfortable touching
Built-in backlight multimedia control key, cool and fashionable
Smart code paired technology, plug and use function with USB slot
2.4G RF wirelss connected, the distance can be up to 10 meters
Powered by 3 x 1.5V batteries (not included), can be used in all countries without any worries