1. Ergonomic design, long-term use will not feel tired 2. Support dual-mode connection mode, you can use wireless and Bluetooth to link a computer 3. Metal surface, seamless cutting 4. Using blue light technology, it can be easily used on various surfaces 5. Four-speed DPI is adjustable, precise positioning 6. Battery specifications: AA * 1 7. Dimensions: 110x62x22mm
