Plays up to 30 feet (10 meters) from any Bluetooth-enabled device such as your smartphone?? notebook?? tablet?? or mp3 player.</br>Silver aluminium unibody housing with Bluetooth 2.1?? compatible with all Bluetooth enabled device.</br>Built-in rechargeable 400mAh Li-ion battery?? supports up to 3.5 hours playtime. Built-in microphone hands free function answer your call without delay.</br>Auto-scan FM radio?? use Micro USB cable to act as antenna.3W speaker with enhanced bass. Micro SD TF card reader slot?? support MP3.</br>What We Offer - Unitek1 x Portable Bluetooth Speaker?? 1 x USB Cable?? 1 x User Manual ?? 2-year warranty quality guarantee?? 24h friendly customer service and email support.</br></br>Product