Computer USB interface power supply,Charging treasure USB interface can also be powered
Output connected speaker or the speaker, not the amplifier output to use
Quality, reliable, high compatibility
Working current:3W+3W
Mounting:3.0mm
Speaker type:3W*2 4-8ohm
Working voltage:DC 5V
Power Interface: Micro USB holder
PCB Board Size: 42 * 25 * 7.8 mm / 1.67 * 0.99 * 0.3 in (L * W * H) Weight: 5.0g / 0.175oz