1, PVC waterproof speaker bag 2, Compatible with iPod, iPhone, MP3, MP4, PC, CD, PDA, PMP, ... zipped strongly to secure `100% waterproof 3. Integrated stereo speaker,0.5W4. 3.5mm digital jack 5. Compatible with iPod,iPhone ... of product OPP Bag Packaging Q'TY:100pcs / CTNN.W:7.2 KGSG.W:8.2 KGSMEAS:40*40*29CM