DeLUX Wireless Ergonomic Keyboard GM902Pro and Trackball Mouse MT1 Black

• [Curved and Split Ergonomic Keyboard Structure for Natural Typing Posture] Human hand-friendly, designed by following natural posture, compared with a traditional keyboard, typing in a comfortable arm angle instead of contracting the arm to awful typing posture, reducing wrists strain and shoulder pain [Multi Devices Connection] with 2.4G wireless(come with USB receiver) and Bluetooth 5.0 with 2 channels (BT1+BT2), use with up to 3 devices, easy installation and in-fly switching between different devices. And multi-system compatibility, compatible with Win8/10/Mac Os/Chrome OS/Android [Decent Keyboard Dimension with Scissor Switches and Low-profile Keycap] Reasonable keyboard and mouse distance, was something importance to be considered when comes to select a ergonomic keyboard, if the distance was too long, you have to shift from the typing to clicking in long-distance, discomforts would be felt and in long term use, that would put more strain to you arm and shoulder Removable Red Ball for Smooth Tracking: Our trackball mouse features a removable ball design, making it easy to clean and maintain. The red transparent finish coating ball offers the best precision tracking compared to other colors, ensuring smooth and accurate cursor movements. [High Precision and Adjustable Tracking] Up to 2400DPI, 5 levels for setting, adjust on the fly, select the best tracking speed for different working situations