support SD card/USB Disk
dual power supply by USB cable and Lithium battery
with FM radio
3.5 AUX in and headphone jack

 Portable Stereo Digital Speaker

 Main Fuctions and Features:

1. Multifunction music system,. Buid in MP3 music player,support flash memory driver,SD card,MMC card,plug and play the music in memory.
2. Build in digital FM stereo radio function, with rotatable antenna, scan and save the radio station by manual or automatic.
3. With LED charging indicator light and read card status light.
4. External high-capacity 750 mAH standard 5C Nokia battery, removable, easy to use
5.Can be charged by cell phone charger or computer USB interface to charge the standard MINI USB power interfaces
6. Built in-LINE-IN interface to an external mp3, computer, MD, CD audio to use as a speaker
7. Built in-LINE-OUT headphone jack, MP3 audio can also be supplied to other speaker.

Specification:

1, Sperker Specifications: 2"*2
2,Rated Power: 2.5W*2 4Ω
3,Frequency response: 150Hz-20KHz
4,Sensitivity: 80db±2db
5,SNR:≥78db
6,Distortion:≤0.3%  1W 1KHz
7.Stereo Isolation: ≥45dB

Accessories:

1.3.5 Stereo Audio Cable

2.USB charging cable

3.Lithium battery

4.Wrist strap