... battery slot 3.FM,Clock,alarm SU-22 mini speaker with built in amplifier FM,clock,alarm Description: ... 1.Mini speaker built in amplifier support any MP3 music from ... Jack7.Built-in 500MAH rechargeable Li-ion battery8.Rechargeable time:2-3h9.External Nokia(BL-5C) battery slot10. ... PCS40GP15,078 PCS40HQ18,310 PCSImage: SU-22 mini speaker with built in amplifier FM,clock,alarm