R- JUST HZ22-1 Rotating Dual-purpose Desktop Fan Aluminum Alloy Laptop Stand (Grey) Filter-Fiber Receiver Our convertor have extend mode

Our convertor have extend mode let your laptop for visibility of multiple tasks at the same time

40HQ: 1698 cartons * 250 pcs = 424500 pcs

Output voltage: DC 5V 3A / 9V 2

Frequency response range: 10Hz-20KHz

40HQ: 1060 cartons * 20 pcs = 21200 pcs

R- JUST HZ22-1 Rotating Dual-purpose Desktop Fan Aluminum Alloy Laptop Stand (Grey) Filter-Fiber Receiver Our convertor have extend mode1. The bottom can be rotated 360 degrees and the height can be adjusted. 2. All alloy structure, stable and not shaking. 3. Hollow at the bottom, open heat dissipation. 4. It can be folded and stored without taking up space. 5. Correct office sitting posture and reduce neck fatigue. 6. The height can be adjusted at will, and multi angle switching. Convenient and practical. 7. Three speed adjustable large fan with independent switch. Specification: