To whom it may concern, We are Holland based company as both the importer and distributor in Benelux for electronic products ranging from consumer electronics, lighting, educational toys and more. I'm looking for OEM/ODM DJ Headphones for professional grade with the following specifications or similar: Increased bass response and frequencies Innovative sound-isolation chamber isolating low & mid frequencies Each earpiece swivels up to 90 degrees and flips 180 degrees Easy fold-away structure design Prefer colors in deep silver, black chrome, and white Type: enclosed dynamic stereo headphone Frequency Range: 5 Hz to 30,000 Hz Impedance: 32 Ω Maximum Input: 3,500 mW Sensitivity: 108 dB Driver Unit Type: φ50 mm domes Plug: φ3.5 mm stereo mini-jack (gold-plated, two-way, screw type) Cord: 1.2 m side mount coil cord (extended 3 m) Weight: 10 ounces (without cord) Accessories: compact carrying pouch included Show More