August MS315 - Portable Mini Speaker - Travel Speakers with Built-In Rechargeable Battery - 3.5mm Standard Audio Cable for use with MP3 Players/Mobiles/Laptops (Blue) Mini Travel Speaker - Pocket sized travel speaker with a high quality sound 3W / 40mm Speaker with 3.5mm Audio In - Connects easily to mobiles and MP3 players Ultra compact design and Lightweight - Only weights 73g so you can take it everywhere Universal compatibility - 3.5mm Cable and USB power cable provided