Model: SY-W02291

Input: 9V/4A 12V/3A

Output power 1: Mobile phone 15W (MAX)

Output power 2: USB-C 5W (MAX)

Charging efficiency: ≥ 73%

Transmission distance: 2-5mm

Wireless charging operating frequency: 110-205KHz

Speaker power: 5W, V5.4

Desk lamp: white; 

Three levels of adjustable lighting brightness (high brightness, medium brightness, weak brightness)