SP-307F:
Functioins Introduction
●SD/U Card Music Playing: Built in SD/U card intelligent decoding.
●Dual Mode Power Supply: USB and Li-battery power supply.
●FM Radio: Radio with imported clips make it gets very clear result.
●Memory Played Function: Memorizing the exact place of last playing.
●Intelligent Power Supply: Fast intelligent power charging from USB faucet.
●Emergency Charging: Fast intelligent power charging from USB faucet.
●Bass Multiplier: Low-frequency & professional design make it like a subwoofer.
●Exquisite Design: Mini & thin structure make it very convenient to take out.
●Earphone Output: Earphone output mode make you enjoy the music at anywhere
●AUX Input: Can be connected with PC, cellphone, MP3, MP4, IPOD/IPhone easily.
Datas & Specifications:
Outer rate (RMS): 3W*2
Frequency response: 250Hz-20KHz
Rate of signal and noise: 75DbB
Stereo channels crosstalk: 65dB
Drive units: 1.25 inch*2
Nominal impedance: 40HM
Li-battery capacity: 4.2V850Ma
Input voltage: DC5V
Charge time: 1-2.5H
