Specifications 4.7-6.7 inch mobile phones 1. Input: 5V/2A 9V/2A2 2. Wireless output: 5W-7.5W-10W3 3. Speaker power: 5W 4. Wireless charging transmission distance: 2-6mm 5. Wireless charging working frequency: 100-205KHz 6. Wireless charging efficiency: 78% 7. Color: black 8. Material: ABS 9.Speaker: 50mm 10. Scheme IC: ST 11. Bluetooth work scope: more than 10 meters 12. Battery voltage/capacity: 2000mAh