1. Product material: ABS flame retardant material
2. Input: 9V 2A or 9V 3A
3. Mobile phone output: compatible with 15W / 10W / 7.5W / 5W
4. Apple Watch output: 2W
5. Airpods output: 3W
6. Number of wireless charging coils: double coils
7. Wireless charging conversion rate: more than or equal to 75
8. Transmission distance: 5mm
9. Charging frequency: 110-205KHz
10. Product weight: 0.17kg
11. Product size: 7.3x11.7x12.9cm
12. Compatibility: any smart phone with wireless charging function