1. Super MP3 audio encoding technology --- support TF card & U flash disk. 2. Stylish, ergonomic and comfortable design 3. Power double magnetic trumpet --- more clear and penetrating 4. 10W power output, sound coverage up to 800 5. Adopt Acoustic amplification electroacoustic system; Equipped with special acoustic microphone --- Hi Fi original sound amplification colour: black Material: ABS+electronic components Size: 10.6x8.6x4.2cm Package Contents: 1 x main machine 1 x waistband 1 x wired microphone 1 x charging cable 1 x English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.