... speaker 4.Customer logo is available 5.ISO,CE Customize Music Cube SpeakerDescription:Features:√ This digital speaker can be deemed as ... with new concept integral stereo portable mobile music, connecting your MP3, MP4, CD, DVD, iPod, Phone, GPS, PSP, mobile phone, notebook ... ) Operation instruction:• Battery: Built-in lithium battery, can play music and charge when use USB power• DC-5V: Direct current ...