1. Material: ABS, electronic components 2. Number of keys: 3 keys 3. Connection method: 2.4G wireless transmission 4. Resolution: 1200DPI 5. Hamster shape design, cute and practical 6. Using 2.4G wireless mode, the transmission is stable, not easy to be interrupted, and the operation is convenient 7. Sensitive response, fast reception within 10 meters, fast connection 8. Made of high-quality ABS material, waterproof and wear-resistant, not easy to scratch 9. Ergonomic design to increase hand comfort 10. Smart roller design, smooth sliding, not easy to get stuck 11. Bottom anti-slip design, stable and not easy to slip away 12. Battery: AA battery x 1 (remarks can be omitted for delivery) 13. Dimensions: 10.5 x 7.3 x 4.1 cm 14. Net weight: 75 grams