•  Dimension:60mm(D)*45mm(H)

•  Net Weight:63g

• AMP Freq Range:180Hz-20kHz

• S/N:more than 80DB

• Speaker:40Hm,φ40mm

• Line input:φ3.5mm

• Battery Voltage:3.7V

• Rating Power:2W

• Color:Black,Red,White

• Charging Voltage:4.2-5V

• Power Input:Mini USB(5V/500ma)

• Charging Time:About 3 hours

• Li Battery Capacity:400mah

• Working time about 10hours(medium volume,randonm music)

• Audio Source:PC,MP3,MP4,MD,CD,DVD player,Mobile phone,etc

• Mini Speaker*1

• USB Cable with 3.5mm Audio Jack*1

• User Guide*1

• USB Power Adapter*1(optional)