Cotton Portable Speaker :
1. Appearance of novel and unique, stylish and generous, meaning instant success. Sending the successful gift to your friends;
2. High-efficiency's audio frequency function, with low power consumption, energy conversion high rate of and other characteristics. With this promotional item, enjoy the excited music;
3. Human design,convenient operation. USB-powered, 3.5mm audio head can be used with any audio device link computer, MP3, MP4, handset like.