Laptop USB interface energy provide,Charging treasure USB interface can be powered
Output linked speaker or the speaker, not the amplifier output to make use of
High quality, dependable, excessive compatibility
Working present:3W+3W
Mounting:3.0mm
Speaker kind:3W*2 4-8ohm
Working voltage:DC 5V
Energy Interface: Micro USB holder
PCB Board Dimension: 42 * 25 * 7.8 mm / 1.67 * 0.99 * 0.3 in (L * W * H) Weight: 5.0g / 0.175oz
Mounting:3.0mm
Speaker kind:3W*2 4-8ohm
Working voltage:DC 5V