1) Solid speaker bag for IPOD/MP3/MP4/PC 2)Certificate: ROHS, CE 3)have exported over 800k to USA 4)Size: 15 x 9.5 x 5cm This amplified speaker bag is with fashion design and good quality. The bag withamplify can provide wide range sound clearly. With clip, it will easy to carry withwhen you out to relax. Enjoy your music anytime, anywhere without headphone.It can also protect your ear. Long time ...