2.0 speakers

wire line control

Used for notebook,

 Power: USB Cable

Speaker unit: 2.75''*2

Output: 3W*2 

Impedance:4ohm

Frequency response: 125Hz~17Khz

S/N Ratio:≥72dB

Voltage: USB DC 5V

Volume control from USB port

Size::70×80×100mm  

gift box:70×120×260mm

IC:8403

Carton Box:538*495*370mm(40sets/ctn)