ELECOM 2.4GHz Wireless Thumb-Operated Trackball Mouse, 6-Button Function with Smooth Tracking, Precision Optical Gaming Sensor (M-XT3DRBK-G), Red, Red Ball
✅DPI CURSOR: Designed with a high-performance gaming optics system sensor and lens. The DPI button can easily change between 750(LOW) and 1500(HIGH) DPI, making the movements of your cursor faster or slower..
✅EASY MAINTENANCE: The ball rolls on three 2.5 mm large artificial ruby ball bearings. They are extremely smooth and the relatively large size prevents dust and dirt from clogging them. So you don’t have to clean the ball bearings too often. The ball is held in place by the ball bearings, but can easily be popped out of the device, by pushing it through the hole in the bottom and it can be easily cleaned..
✅PRODUCT DETAILS: System requirements: Windows Vista, Windows 7, Windows 8.1, Windows RT8.1, Windows 10 or later (Horizontal scrolling function is not working in Windows RT8.1), macOS 10.10 later, Size: W3.7"(94.7mm) X L4.9"(124.4mm) X H1.9"(47.9mm), Weight: 4.5oz(without battery), DPI: 750/1500 count (switchable), Connectivity: wireless, 1 X AA battery(Included)- Battery Remaining Light Lamp equipped.
LBWF Mini Bluetooth Wireless Finger Ring Mouse, 2.4GHz Lazy Finger Rings Optical Mouse,Photoelectric Resolution 1600Dpi for Computer, Laptop, Tablet
✅《DPI Cursor》Designed with a high-performance gaming optics system sensor and lens. The DPI button can easily change between 500(LOW), 1000(MID) and 1500(HIGH) DPI, making the movements of your cursor faster or slower..
✅《Easy Maintenance 》The ball rolls on three 2.5 mm large artificial ruby ball bearings. They are extremely smooth and the relatively large size prevents dust and dirt from clogging them. So you don’t have to clean the ball bearings too often. The ball is held in place by the ball bearings, but can easily be popped out of the device, by pushing it through the hole in the bottom and it can be easily cleaned..
✅《Product Details》System requirements: Windows 7, Windows 8, Windows 10 or later, macOS 10.13 or later, Size: W4.5"(114.7mm) X L7.2"(181.9mm) X H2.3"(57.2mm), Weight: 9.2oz(without battery), DPI: 500/1000/1500 count (switchable), Connectivity: wireless, 1 X AA battery(Included)- Battery Remaining Light Lamp equipped..