Sport MP3 mini speaker AL-SP8801 support TF card w

Play music,with high-powered loudspeakers,long time play With line in function,can switch-in Notebook PC,MP3,MP4,Ipnone etc.. Build-in stereo FM radio Build-in 1450mAH Li-ion battery,support long time play Using new technology Class D,Nice acoustic fidelity Support TF card or build in flash memory ,can storage large quantity music and data Full function All in One port design,All external using single port Full function LED pilot lamp Hi-speed USB2.0THD+N=0.15% @ 1.5W SNR=94db @ 1.5W Speaker Output:THD+N=0.15% @ 1.5W SNR=94db @ 1.5W,using Japen original material THD+N=0.6% @ 32Ω SNR = 92 db @ 32Ω Earphone Output:THD+N=0.6% @ 32Ω SNR = 92 db @ 32Ω Play Duration:when use speaker about 10 to 20 hours,when use earphone about 70 hours Charge Time:USB charge:7 hours USB(5V/1A);AC transform charge:4 hours(optional) Storage Capacities:1GB,2GB,4GB,8GB Iterface Transport:USB2.0 Full speed System Format:FTA16/FAT32 Audio Format:MP3/WMA Work Temperature:-18°C 80°C Dimensions:88X35X35 mm Weight:132g