Sony SRS-X5 portable speaker Bluetooth NFC autonomy 8h 20W USB wireless headset Black (Personal Computers)
I had the opportunity to extensively test this speaker JBL facing a load 2 and the SRS-X3, his little sister. - SRS-X5 (which I bought): it is much more efficient and pleasant for the same price, the other 2 or even cheaper now. It is somewhat larger