1. Material: Aluminum Metal !
2. When you call or answer the calls ,this speaker can be used as microphone , handfree,especially used in you driving a car .
3. Startling subwoofer sound .
4. 2 in 1 cables with a 3.5mm audio input to connect with mp3,mobile phone ,ipod ,iphone , etc and micro USB for data transmission
5. FM Radio ,2 in 1 usb charging cable can be also used as antenna
6. 3.0 version Bluetooth can make the message delivered barrier free even in the distance up to 25 m.
7. Connect automatically during the distance of 100m .
Home use ,Car driver user , Festival gift , Hotel room use .