Noisehush NX22R-12447 3.5mm Stereo On-Ear Headphones with In-Line Mic - Black/Wood Special Features: Soft Touch Rubberized Finish, Aircraft Grade Aluminum Cap, Adjustable Headband for perfect fit, Over-the-Ear design isolates external noise, and Soft-cushion design for ultra-comfort. High Fidelity Sound for extreme clarity with precise bass, Microphone for hands-free calling, video chats and memo recording options, Function Button to easily switch between music & answering calls Flat Tangle-free Cable, Neodymium Magnet Drivers Specifications: Driver Unit: 50 mm, Output Power: 30mw RMS, Speaker Frequency Response: 20Hz-20kHz, Sensitivity: -42  3dB, Mic Frequency Response 100-20kHz, Cable Length: 5.7 feet, Audio Connection: 3.5mm Stereo Jack Socket, and Weight: 240g Compatible with: All iPhone / iPad / Smartphones / most Phones