ProtoArc Vertical Wireless Trackball EM05 NL Bluetooth Ergonomic Rollerball Rechargeable Computer Laptop Thumb Mouse

Ergonomic Design for Natural Grip: The vertical design of a 62 degree tilt and natural handshake can perfectly fit the palm of your hand, keeping your arms and wrists in a relaxed state, so that you won't feel tired after a day of work Bluetooth & 2.4G Wireless Connection：PLUG and PLAY. This trackball mouse has triple connection modes(2.4G+BT 5.1+BT 3.0). You can control three devices at the same time, switch freely between Android, tablet and Mac with just one button. Note: all the buttons are non-programmable and the backward forward buttons are not compatible with Mac OS system Thumb Trackball Mouse: Equipped with a smooth trackball, move your cursor with your thumb movement instead of moving your wrist and arm. It will effectively reduce fatigue and strain for your wrist and arm. Not only work on flat surfaces, but also on your leg, sofa and other surfaces as well, especially in a narrow space, such as the messy desktop Rechargeable & Quiet Clicking: The vertical trackball mouse equipped with a build-in rechargeable battery, could be recharged easily with the included USB-C cable. Please remember to turn it off if you do not use it for a long time. Smooth frosted surface and quiet clicks can bring a better user experience and free your worry about bothering others and keep you stay focused while working Product Description Removable Ball When you use the trackball mouse for a period of time, you need to clean the trackball and inside the hole with a soft cloth to ensure that the trackball is always smooth Ergonomic Design The vertical design of a 62 degrees tilt and natural handshake can perfectly fit the palm of your hand, keeping your arms and wrists in a relaxed state Adjustable DPI Adjust cursor movement speed for superior and accuracy control by pressing the DPI button(200/400/800/1200/1600) Rechargeable Battery Built-in 500mAh lithium battery, easily charge the mouse with the included USB C charging cable anytime anywhere Space Saving You can use it on a narrow office desktop without moving the mouse The Package Contains 1*Vertical Trackball Mouse 1*Type C Charging Cable