* Transmission distance: 10M * color: Black * Channel: 2.1 * Type: mobile magic inductive speaker * Cabinet Material:Plastic * Material: Plastic * Battery capacity: 750MA * Feature: Mutual induction * Audio Classification: Mini * Power output: 3W * Speaker Type: Surround * Loudspeaker Accommodation Mode: Button * Speaker Structure: Sealed * Package: Yes * Radio: No * Product size: 127x90x83mm * Distortion: < 3% * Interface Type: USB * Display Screen: No * Remote Control: No * Nosise rate: > 80dB * Brand: best core * Display Type: None * Compatible: For Mobile Phone * Playback Function: MP3 * USB voltage: DC 5V/500mA * Special Feature: Mini * Continuous playback time: 6 hours * Use: Mobile Phone