1. Material: Aluminum metal!

2. When you call or answer the calls,this speaker can be used as microphone , handfree,especially usedin you driving a car .

3. Startling subwoofer sound.

4. 2 in 1 cables with a 3.5mm audioinput to connect with mp3,mobile phone ,ipod ,iphone , etc andmicro USB for data transmission

5. FM Radio ,2 in 1 usb charging cablecan be also used as antenna

6. 3.0 version Bluetooth can make themessage delivered barrier free even in the distance up to25 m.  

7. Connect automatically during thedistance of 100m . 

Home use ,Car driver user , Festival gift , Hotel roomuse .