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High Performance
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Adjustable Headband
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Light-Weight Design
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Rotatable Mic. Boom
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Superior Ear Cushions
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Volume Switch
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Rotatable Mic. Boom
The omni-directional microphone offers clear communication. Rotatable design best for storage on the go.
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40 mm Speaker Unit
The high-precision 40 mm unit deliver the accurate sound reproduction and hours of comfort listening.
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Omnidirectional Noise-canceling Mic.
Omnidirectional noise-cancelling microphone makes call clear and natural.
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Tangle-free Cable
Sensitive and tangle-free cable provides durability.
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Soft Ear Cushions
Soft on-ear cushions ensure comfortable wearing for hours use.
Key Features
- 40mm High-Performance Speaker Unit
- 20Hz – 20KHz Frequency Response
- 100dB Speaker Sensitivity
- 32Ω Impedance
- Omnidirectional Noise-Cancelling Microphone
- Rotatable Microphone Boom
- Adjustable Headband
- Soft & Comfortable Ear Cushions
- Lightweight Design
- Built-in Volume Switch
- 1.8 Meter Tangle-Free USB Cable
- USB Plug & Play
- Compatible with Windows 10/11 & Mac OS X
Technical Specifications
Specification Details Model A4TECH HU-9 Type USB Headset Speaker Unit 40mm Frequency Response 20Hz – 20KHz Sensitivity 100dB Impedance 32Ω Mic Frequency Response 100Hz – 10KHz Mic Sensitivity -42dB Microphone Omnidirectional, Noise-Cancelling Cable Length 1.8m Cable Tangle-Free Connector USB Color Black OS Support Windows 10/11, Mac OS X







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