1. 2.4GHz wireless technology, stable amd lag-free connection within a 10-meter range. 2. Ergonomic design with a comfortable curve reduces hand fatigue and allows for extended use. 3. Optical sensor for accurate tracking and smooth movement control. 4. Plug-and-play pairing using a USB receiver. 5. Optical resolution: 1000dpi 6. Battery: 1 x AA battery (not included) 7. System requirements: Windows 7/8/RT/10 or later, macOS X10.5 or later, ChromeOS, Linux Kernel 2.6+ 8. Material: PC 9. Dimensions: 10.54 x 6.79 x 3.84cm 10. Weight: 90g
