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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 offe