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
