MusicMan portable stereo speaker with built-in battery for maximum mobility. The integrated MP3 player supports music playback from many devices. The easiest choice is to connect a USB drive or insert a microSD card. Other options are connection with MP3, CD, DVD, iPhone, iPad, PC, mobile phone, etc. There is also FM-radio.

Specifications
Built-in FM-radio + Line-in / AUX (3.5mm analog)
Durable aluminum case available in 5 colors
Built-in battery - Lithium 600mAh, endurance up to 8 h, charging 3-5 h
Support USB, microSD up to 32GB
FM antenna 3.5 mm (audio cable serves as FM antenna)
USB charging (AC adapter not included)
Output: RMS 6W (3W +3 W)
Frequency: 150Hz-18kHz (± 3dB)
Weight: 185g
Dimensions: 165x50x52mm