Ergonomic Black Handheld Trackball Mouse with Teal Ball

Compact ergonomic trackball mouse. Smooth teal ball for precise cursor control. Black textured housing with thumb-operated buttons. Plug-and-play design for comfortable navigation.  EIGIIS 2.4G Ergonomic Trackball Handheld Finger USB Mouse Wireless Optical Travel DPI Mice For PC Laptop Mac Left And Right Handed  Brand EIGIIS Color Black Wireless Green TrackBall Weight 0.31 lbs More features ★ ERGONOMIC DESIGN - EIGIIS handheld trackball mouse wireless can greatly avoide the harm of palm and muscle of your wrist for long time using mouse. ATTENTION: NO LASER POINTER. IF YOUR MOUSE IS NOT WORKING WHEN YOU WENT A FEW MINUTES WITHOUT USING IT, PLS KINDLY CLICK TO WAKE IT UP.IF STILL NOT WORKING, PLS CHECK BELOW ISSUES: 1, CHANGE BATTERY AND TRY; OR 2, TURN IT OFF AND ON; OR 3, REMOVE THE USB RECEIVER AND TRY IT. IF STILL NOT WORKING, PLS DON'T HESITATE TO CONTACT US FOR A REPLACEMENT ★ TRACKBALL COMFORT - Ergonomic handheld trackball mouse wireless is a best choose to reduce the chances for Arthritis and CTS suffers. Hold EIGIIS ergonomic handheld trackball mouse wireless in your hand like a trigger and use your thumb to move around. Sculpted shape supports your hand staying in one place, move the cursor without moving your arm.Suitable for both left and right hand - New style, no space limitation, left/right clickers, fit left and right handed users.