Features:

1. Play music,with high-powered loudspeakers,long time play                                                       2.With line in function,can switch in Notebook PC,MP3,MP4,Ipnone etc..                                                   3. Build-in stereo FM radio                                                                                                         4. Build-in 1450mAH Li-ion battery,support long time play                                                5. Using new technology Class D,Nice acoustic fidelity                   6. Support TF card or build in flash memory ,can storage large quantity music and data                                                         7.Full function All in One port design,All external using single port Full function LED pilot lamp                                                  8.Hi-speed USB2.0                                                                 

Specifications:                                                                                                                                                 1.Play Duration:when use speaker about 10 to 20 hours,when use earphone about 70 hours                                                           2. Charge Time:USB charge:7 hours USB(5V/1A);AC transform charge:4 hours(optional)                                                                                                                                           3.Storage Capacities:1GB,2GB,4GB,8GB                                                                                        4. Iterface Transport:USB2.0 Full speed                                                                                   5. System Format:FTA16/FAT32                                                                                              6. Audio Format:MP3/WMA                                                                                                         7. Work Temperature:-18°C ~ 80°C                                                                                                     8. Power supplier: USB/Lithium battery/1000mAH                                                                               9. Frequency: 200Hz-20KHz                                                                                                                     10. Response Senstitivity: 90db                                                                                                               11. Impedance: 4(Ω)                                                                                                                                     12. Power Input: USB DC 5V                                                                                                                     13. Speaker Unit: 28mm