Model Number: QKH7#123-#6912 Brand Name: QKAS or OEM or ODM Key Specifications/Special Features: Compatible with all devices: Android smartphones & tablets, iPhone 4/4S/5/5S/5C, Galaxy S3/S4/S5, Kindle Fire HD, iPad 3/4/Air, Kindle Fire, Nexus 4/5/7/10, iPad Mini, Galaxy Tab 3, LaptopsSuperior high-definition tuned for deep bass and accurate highs, crisp, clear stereo soundFoldable design for easy storage and transport, comfortable ear cushions and padded headbandSingle-sided detachable tangle-free flat-cord with in line mic to answer/end calls while listening to music3.5mm plug silver-plated for superior connection, sensitivity 90±3dB (at 1kHz), impedance 20±20%Ω