... Wireless Keyboard with Trackball Computer Remote Control – Mini Wireless Keyboard with TrackballSpecificationsMain Function: Wireless Keyboard with TrackballWireless ... keyboardHotkeys - Multimedia: backward, forward, stop, play/pause, mute, volume -, Volume + - Internet: backward, forward, home, my computer, refresh, email, calculaterTrackball Resolution: 1000DPIReceiver ...