The M-1US from SHiROSHiTA are lightweight open ear headset with boom mic ideal for educational equipment, communication/music on PC, etc. The M-1US is designed and hand-built in Japan. 1) The frequency response is precisely tailored for both music and human voice. 2) Robust yet lightweight construction provides superior comfort even for all-day use. 3) The Each component is carefully selected for high durability even in the classroom, where many people use the product. Specifications Headphone Type: Dynamic, 40mm Impedance: 40Ω Frequency Response: 200 – 20,000Hz Sensitivity: 106±2dB (at 10mW) Microphone Type: ECM / Monaural Impedance: ≤2.2kΩ Directivity: Omnidirectional Frequency Response: 100 – 8,000Hz Sensitivity: -44±3dB Other Connector: 1/8”(3.5mm) mini plug X 2 (MIC, PHONE) Weight (w/o cable): 3.5 oz. (100g) Country of Origin: Japan Warranty: 1 year by Shiroshita Package includes: SHiROSHiTA M-1US, User Guide, Warranty Card OEM services We (Shiroshita Industrial Co., Ltd.) have offered OEM services over 40 years in Japan and abroad. We have exported over 500,000 pcs of OEM products overseas in total and developed our own high technology by accommodating various requests from our clients. Feel free to contact us about OEM service and customization!
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