Symphony Edition/Seven Color Edition/Basic Edition:
1. Fan speed: 1600-2500RPM/1600-2500RPM/2600+/-10%RPM
2. Power supply: 5V USB power supply
3. Interface: dual USB interface
4. Lighting: 12 kinds of RGB lights (lights can be adjusted) / 7 kinds of RGB lights (lights are fixed) / no lights
5. Height: 7 levels of height adjustable
6. Wind speed adjustment method: dial adjustment
7. Current value: 1A+/-10%
8. Fan speed: 1st gear 1600+/-10%RPM, 2nd gear 2100+/-10%RPM, 3rd gear 2500+/-10%RPM
9. Product size: 405 x 285 x 43mm
10. Net weight: 1065 grams
11. Fan size: less than or equal to 140 x 140 x 20 (1PCS), less than or equal to 70 x 70 x 15 (4PCS)

Features:
1. 5-core air duct direct access, highly silent design
2. Compatible with large area and full size, compatible with laptops within 17 inches
3. Ergonomic 7-level height adjustable to relieve shoulder discomfort
4. Retractable mobile phone holder, can be hung left and right
5. Anti-fall reinforced plastic, can accommodate non-slip baffle
6. It adopts dual USB interface output design, which can be connected to other devices without occupying the laptop interface