Sound is coming out clearly. The bass is strong, so it can be used for DJing or in sound environments. Search: Beats by Dr. Dre Monster Beats monster beats pro beats by dr.dre DJ headphones HIP HOP Works properly. No manual or box. Please check the condition in the images. The product is used for a long time, so the plastic will deteriorate. Please understand that there are no accessories not shown in the images. Returns and claims after purchase are not accepted. Thank you.