... Rechargeable led flashlight with mini speaker, mp3 player, power bank, fm radio:Description:1.MP3 player2.Electruc torch3.portable power4.Bicycle use5 ... response20Hz-20KHzSNR(Signal Nosie Ratio)85DBDistortion0.1%SNR45DBMP1, MP2, MP3, WMA, WMV, ASF, WAV, APE(Deciding to the models)Operating temperature ... of the equipment. Rechargeable led flashlight with mini speaker, mp3 player, power bank, fm radio