1,bird speaker,mobile phone speaker 2,mp3 speaker 3,do your own logo 4,Promotional gifts 5,many color 1,bird speaker,mobile phone speaker2,mp3 speaker3,do ... Nice and fashional design, easy to put inside the pocket for outdoors.6, USB connecter, can connect with computer and play ... 7, Built-in Li battery, the battery can be used for 4 hours after recharging. Material: ABSSize: 5.5x6x8.5cmwhite ...