Inphic M9 2.4G Wireless Mouse Business Office Home Ergonomic Mute Computer Mice 1. Connection mode: wireless (receiver head connected via USB port) 2. DPI: 8001200160020002400 3. Wireless carrier frequency: 2402-2480MHz 4. Wireless working channel: 16 automatic frequency hopping 5. Rated working current: within 9mA 6. Battery capacity: 500mAh 3.7V 7. Charging port: Type-C 8. Charging input: 5V 500mA 9. Size: about 12 x 7.7 x 4.2cm 10. Weight: about 78g Features: 1. Asymmetric design with wider finger rests to securely support the thumb, providing full palm support and relieving fatigue from long hours of gripping 2. 2.4G wireless connection, free from the constraints of wired, no need to worry about cable entanglement 3. Low noise, high-performance materials made of foot pads and rubber rollers for quieter sliding and rolling, bringing you a comfortable experience 4. Metallic paint, unique gloss and texture, contrasting with the micro-matte ABS material, clear and distinctive 5. 800120016002400 DPI adjustments for more precise and quicker control of the mouse, easy to cope with various office scenarios 6. Built-in 500mAh high-capacity battery, support Type-C interface fast charging, visualization of power 7. After 3 seconds of rest, it will automatically hibernate and wake up immediately when it detects mouse movement to enter the working state, which greatly reduces the power loss in the idle state 8. 5 practical keys, to meet the needs of a variety of operations, easy to cope with the complexity of the work instructions