High Speed Mini 2.4GHz USB Wireless Lazy Finger Rings Optical Mouse / Pen Mouse
The transmission distance can be up to 33 feet. High Speed Mini 2.4GHz USB Wireless Lazy Finger Rings Optical Mouse 1600Dpi for PC Laptop Desktop. Foldable Arc Touch Wireless Mouse 2.4GHz Optical Touch Receiver PC Laptop Blk UK.