1.Mini USB LCD MP3 Speaker 2.Brand new and high quality 3.With USB and Card reader ... Several power supply manners including: Battery, computer USB, adaptor DC-5V allow you to enjoy the ... new concept integral stereo portable mobie music, connecting your MP3, MP4, CD, DVD, iPod, iPhone, GPS, ... amplifier:>=80Db*Magnetic resistant: 4 Ohms*Power supply: USB power supply available*Color: Silver, Pink, Blue, ...