Beyerdynamic DT 770 PRO 32 Ohm Over-Ear Studio HeadphonesBeyerdynamic's DT 770 PRO is a closed dynamic headphone, designed for mobile critical music and sound monitoring.The sound of the DT 770 PRO is, without a doubt, a benchmark for professional users.The secret lies not only in the cutting edge drivers, which are hand made in Germany, but also in a very sophisticated bass reflex system.The membrane can breathe in an otherwise closed housing and is therefore extremely quick and precise in its response, accurately reproducing frequencies anywhere between 5 and 35,000 Hz. Items Included With Your Purchase: Beyerdynamic DT 770 PRO 32 Ohm Studio Headphone Stanley 6 pack, 6 inch Hook & Loop Velcro Straps (Assorted Colors)USB Card ReaderGoby Labs Headphone Cleaner 4 fl oz