VOMO C Vibration-Enhanced Portable Media Player 360 Sound Distribution Built-in Micro SD Card Slot Built-In FM Tuner RMS Output Power: 3 W Very Portable! Only measures 1.77" in height and 3.15" in diameter! 3.7V 600mAh Li-ion Rechargable Battery 3.5mm Auxiliary Cable to Mini-USB Cable - Connect your smartphone, tablet, or MP3 Player! Remote Control