1. Product size: 390 x 263 x 37.8mm
2. Product N.W: 0.7kg
3. 6-speed adjustable
4. Fan Size: 14cm x 2pcs
5. Fan speed: 900+-10%RPM
6. Noise: <=25dba
7. Input: 5V
8. Input power: 3W
9. Dual-core large fan
10. Dual USB ports
11. Suitable for laptops under 17.3 inches