Output power: 3.5 w RMS x 2

 Frequency response: 80 hz - 20 KHZ

 Signal to noise ratio: 85 db 

or higher 4 Ω 

impedance: Power supply: DC5V

 Product features PC, Mp3, Mp4 notebook sound partner 

Timbre is fruity sweet, connect fully clear Built-in active power amplifier,

 sound quality is exquisite, pure sound impressive Conform to the acoustic principle of aesthetic design,

 soft tone, distinct , small size, easy to carry