Mini Speaker
1. SD/MMC slot, USB Port
2. mp3, mp4 speaker, Phome, FM
3. digital volume control
4. built-in Li-ion batte

Professional Protable Mini Speaker

Features:
-Built-in display screen
-Built-in FM tuner, auto scanning, save up to 30 channels
-play music directly from your USB flash drive and MicroSD card.
-One full charging, play non-stop music from 3 - 10 hours.
-Super Clear sound from 1.77 inch drivers.
-Line Out jack - to connect your iPod, iphone and MP3 player
-Line In jack to connect headphone when you don't want to disturb others.

Compatibility Table: