... noble metallic shell designed.4. Mini, portable digital speaker for your convenience, connecting to your MP3,MP4, ... , PSP, mobile phone, notebook computer, Hi-fi speaker, U-disk and TF card.5. Several colors and ... and noise ratio of power amplifier: ≥80Dbl Loud speaker 1.77 inches (external diameter 45mm) Magnetic ... and all your private information.5. No matter big order or small order , we will provide ...