1. Material: ABS 2. Applicable size: Suitable for notebooks within 15.6 inch 3. Voltage: USB 5V DC 4. Current: 0.22A 5. Power: 1.75W 6. Product size: 41 x 26 x 3.5 cm 7. Fan size: 12 x 12 x 2.5 cm (1), 7 x 7 x 1.5 cm (four) 8. Weight: 1196g 9. Multi-speed adjustment design, comfortable elevation design, soothing cervical spine 10. Five fans for heat dissipation, five-speed adjustment bracket, adjustable air volume 11. Product design is light and thin, easy to carry
