Bluedio R2-WH Wired Stereo Headset for Mobile Phones - Retail Packaging - Black PPS8 (Physical position surround sound) acoustic technology deliver transparent and well-balanced sound, 8 channels audio signal imitate to 8 directions are directly channeled into your ears. Incorporate 2 pieces 50mm 32 Ohm ultra large subwoofers, and 6 pieces 16 Ohm tweeters, generate smooth bass resonance. Circum aural artificial protein leather ear cups provide unrivalled wearing comfort. Circum aural ear cushion provide unrivalled wearing comfort. Sound isolating ear cushion filter out unwanted background noise. A cable with button remote and microphone allows for hands-free conversation and control music functions on Apple and Samsung devices, plus track selection (for Apple and Samsung devices). Y-cable connect with PC, offer biggest convenience. Intuitive operation, and foldable design may easily tucked away to a bag or pocket.