... Speaker + FM Radio 1 Compatible with PC, MP3/4/5, music mobile, PSP 2 FM radio, external Li-battery SD/TF & USB Card Reader Speaker With ... 60Hz-20KHz7. Signal to noise ratio: >85dB8. With earphone jack9. Built-in effective digital amplifier, ... software, and hardware development etcMonthly Capacity: 150K with 8sets SMT.Main Markets: More than 500 agents ... /TF & USB Card Reader Speaker With FM Radio TL302