1. Super MP3 audio encoding technology --- support TF card & U flash disk.2. , ergonomic and comfortable design3. Power double magnetic trumpet --- more clear and penetrating4. 10W power output, sound coverage up to 8005. Adopt Acoustic amplification electroacoustic system; Equipped with acoustic microphone --- Hi Fi original sound amplificationcolour: blackMaterial: ABS+electronic componentsSize: 10.6x8.6x4.2cmPackage Contents:1 x main machine1 x waistband1 x wired microphone1 x charging cable1 x English manualOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.