Mini USB speakers color: Pink, siliver, black, blue 
Music angel---enjoy music anytime anywhere. 
Icon and function explanation 
1. New mini aluminum vibration film loud speaker, which has clear alt and pure woof. The unique design makes tone performance. 
2. Mini audio box with new concept integral stereo portable moile music, connecting your MP3, MP4. CD, DVD, iPod, iPhone, GPS, PSP, mobile phone, and computer, PC/notebook. 
3. Several power supply manners including battery, computer USB, adaptor DC-5.5v allow you to enjoy the charm of digital products at any time. 
4. This compact travel speaker system is ideal for use at the office, home, carry where you go. 
5. You can enjoy sweet stereo sound produced from the aluminum speaker. 

Speaker's functional parameter: 
1. Out put: RMS6w(3w+3w)thd=10% 
2. Frequency response: 150-18000Hz( 3dB) 
3. Signal and noise ratio of power amplifier: 80dB 
4. Loud speaker: 1.77inch(external diameter 45mm)magnetic resistant 4 ohms 
5. Line in: Configure 3.5mm stereo's plugs 
6. Power supply: 5.5v/1000ma, AC power adapter, USB power rotate connect line (can choose)