M3 JBL mini portable bluetooth speaker is the high quality little speaker with built-in microphone so that you can respond to calls immediately . This mini speaker is portable due to its little size . But impressively it has loud and clear bass sound . Body is made of high quality aluminium . It has 350 mAh battery with v4.1 bluetooth .Wireless jbl m3 mini portable bluetooth speaker .Tiny-size but impressively loud clear bass sound .Premium quality manufactured aluminium made body design .Mini pocket size easy & portable use when where ever you are .Smart cute & elegant shape design .Built-in microphone & in bottom a button for mobile image capture .Bluetooth v4.1 & distance 10m comfortable use .Battery 350mah playtime upto 3 – 4 hour & charging time 1 hour