mini laptop speaker

Ideal for iPhone, iPod, and any other MP3 player
with a 3.5-mm headphone jack,
mini usb charging port
working for 1-4 hours
Ultra-portable 7.2-watt stereo speaker for quality sound anywhere
Ideal for iPhone, iPod, and any other MP3 player with a 3.5-mm headphone jack
Unique design brings 360-degree sound from each speaker
Powered by three AAA batteries; power indicator light
Protective carrying pouch included
--Speaker: 40mm
--Input: L/R 380mV
--Power output: 3W
--S/N ratio: >80dB
--Charge voltage: 5V to +0.5V
--Charging time: 4hours.
--Suitable temperature: 0 to 40°C
--AMP Freq Range: 280Hz-16KHz
--Charge Voltage:5V+0.5V