Stereostirnband-Kopfhörer YB-5810

stereo headband headphone with mic and volume controller, compatible with computer, mp3,dvd, ext. 1. High density multi core bronze thread, electively reduce the loss, single side incoming thread designing, avoids rolling. 2.Rotary microphone can be fixed easily. 3. With managanese steel inside, good elasticity and intensity. Soft PU materialear padsto make comfortable wearing. 4. 50MM speaker unit, hifi sound quality, and refound natural voice. 5. Human engineering technology designed headband, rotary bandarm can be foldable carrying and fit heads freely. Specification: Microphone dimensions: Φ9.7*6.7MMSensitivity: -58dB±2dBDirectivity: OmnidirectionalSpeaker size: 50MMImpedance: 32±2ΩMax.power input: 50MWFrequency range: 20Hz--20KHzCord length: 2.5MPlug type: Φ3.5MMDelivery time: As per your requests and ordered quality.Unit price: Negotiable.Packing: our own design or according to the customers design.We can do OEM/ODM for all the customers.headphone/earphone/microphone