... Wireless Keyboard with Trackball Computer Remote Control – Mini Wireless Keyboard with TrackballSpecificationsMain ... backward, forward, stop, play/pause, mute, volume -, Volume + - Internet: backward, forward, home, my computer, refresh, email, calculaterTrackball Resolution: 1000DPIReceiver Interface: ... Apple and LinuxWarranty: 12 months Computer Remote Control Mini Wireless Keyboard with Trackball