1. Material: ABS
2. Power supply: 5V
3. Battery capacity: 500 mA
4. Strong heat dissipation, mini portable
5. Small size, does not block the phone screen
6. Quiet and powerful fan
7. Quickly drain the phone heat
8. Fast and uniform heat dissipation, effectively preventing cell phone battery aging
9. Size: stretchable to 95mm; 36.5x30x72mm
10. Weight: 48 grams