Mini speaker, USB/SD speaker Output Power: 3W*2Frequency Response: 150Hz - 18KHz Speaker: Dia40mm; 4Ohms Sensitivity: >80dB Built in rechargeable Li-ion Batt Read MMC/SD card/ MP3 file (music) in USB movable disk. Portable speaker, especial design for USB, SD card and mobile phone.
* Support SD card, USB memory. Support MP3 edition music.
* Support connect with MP3, MP4, PSP, iPhone etc players by 3.5 mm audio cable.
* Full function supports remote control. You can choose the next or previous music, and play or pause. Increase or decrease the volume.
* Build-in Lithium battery.
* Power LED leading.
Parameter:
* Power input: Lithium battery, power adaptor (+5V, 800MA), USB cable.
* Power output: 3w * 2 (RMS)s
* Loudspeaker size: Dia: 52mm, 4ohms
* Frequency: 150-18KHz
Packing:
* Attachment: Speaker, USB cable, Audio cable, Remote control, Manual.