Speaker,card reader,mp3 speaker,S3

Portable card-reader mp3 speakers S3, is a mp3 card reader speaker. It can play music which stored on a SD/MMC card.

Its designed as a easy way to enjoy and share music. Easy carry and still with best

soundquality! 

You can use it very easily because it dosnt need to be connected to a music source!

You can carry it very easy because of the very small size! You can play it all day

because it has digital amplifier! You can share with your friends because it has good

sound quality and loud enough!

Easy use! Small size! Good sound quality! Thats what you get from  S3 speaker!

Features
>> Built-in high performance 16-bit DSP. and 16 bits sigma-delta D/A

converter with earphone power amplifier.
>> Support MPEG-1/2/2.5 layer 1/2/3. WMA decoder.
>> Card reader: Support USB2.0 card host interface

>> Supports FAT12, FAT16 or FAT32 file system format;
>> Support up to 16GB SDHC card
>> Built-in high performance class D digital amplifier. and digital volume

control.
>> 40mm neodymium magnet micro drivers
>> Power supply: Two AA batteries;PC/Notebook USB;USB power adapter;
>> 8 hours long play time when use AA alkaline battery and under normal

volume.
>> Flexible software upgrade via USB interface.
>> With bracket so the speaker can stand up when needed.

Specifications

Output power:                      10 W + 10 W (PMPO)
                                          1.5W + 1.5W (RMS, THD=10%)
Distortion:                           <0.5% (1kHz, 0.5W)
S/N ratio:                            >80dB (A-Weight)
Frequency response:            150Hz-20kHz
Input Sensitivity:                   <400mV
Power supply:                      2 AA, USB power , AC adapter DC5V

Dimensions:                        156mm(L) , 65mm(W) ,26mm(D)
Weight:                               155g