This enclosure provides a satisfying sound. First of all it works in bluetooth and allows all to pair Bluetooth devices you want (PC, smartphone, ipod ...). You can then play your favorite music with more powerful sound. It is also possible to connect the wired on your devices with the mini-jack cable. The enclosure is equipped with a microphone that will allow you (if you are paired to a phone) to win when you receive a call and communicate hands-free. The enclosure has about 5 hours of battery life. Product dimensions (LxWxH): 17 x 8.2 x 7.6 cm Weight approx: 300 grams