S28 Metal Mobile Bluetooth Stereo Portable Speaker with Hands-free Cal

1. Portable and mini Bluetooth speaker, easy to operate
2. Playing songs in MP3 format which saved in TF card
3. Built-in 500mAh li-ion battery, lasting to use
4. Fit to Bluetooth V3.0+EDR specification
5. Built-in microphone for hands-free phone calls
6. Easy to listen to sound from PC, iPod/iPhone, MP3/MP4 while work with AUX