1. A receiver with Type-C+USB interface, which can be connected to a mobile phone or a laptop, plug and play
2. 2.4G wireless technology
3. Three-speed DPI adjustable
4. Silent micro switch design, rubber roller, quiet, not disturbing others
5. Built-in lithium battery, rechargeable, standby time can reach more than 36 months
6. Ergonomic design, comfortable hand feeling
7. Optical resolution: 800/1200/1600DPI