... world's advanced low-voltage, low power amplifier IC, pure sound quality, dynamic strength, distortion, low power consumption. 4. Can ... be connected to MP3, MP4, IPOD, cell phone, DVD, CD and PC / MAC and other digital media player ... portable music companion. 6.USB power supply, charge. Standard:, USB powered, charging lines. Availability: December 2009Product Dimensions: D (52MM) * H ( ...