Koss UR-21 Home Stereophones alternatives, similar headphones

Hama PC Neckband Headset HS-200
Specifications

Hama PC Vibration Headset HS-410
Specifications

Hama PC Headset HS-450, USB
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Hama PC Headset HS-500, USB
Specifications

Hama PC Headset HS-540, USB
Specifications

Hama Gaming Headset "Slide"
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Vivanco SR 140
Specifications

Ultron UHS-100
Specifications

Ultron UHS-200 Skyper
Specifications

Ultron UHS-300 Fun
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Ultron UHS-500 Life
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Nokia BH-203
Specifications

Koss HQ2
Specifications

Koss SB 49
Specifications

Koss KEB/79
Specifications

Koss KEB/24
Specifications

Koss KEB/20
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Koss UR/18 Collapsible Stereophone
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Koss TD/85
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Koss UR/10
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Koss Porta Pro
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Koss TM-602 Portable Stereophones
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Koss KPH/15 Portable Stereophones
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Koss KSC-55
Specifications