NuForce HEM4 alternatives, similar headphones

Jabra Evolve 30 II UC stereo
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AV Link SH27
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Samsung Knob EO-IA510
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Jabra Evolve 30 II UC Mono
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PORT Connect AROKH H-1
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Logitech G231 PRODIGY
Specifications

Monster Elements Wireless Over-Ear Headphones
Specifications

Panasonic RP-HS41K
Specifications

ZALMAN Real Surround Sound Headphones "Theatre 6" ZM-RS6F
Specifications

Dell Performance USB Headset AE2
Specifications

Sony Ericsson Bluetooth HBH-35
Specifications

Mixx Audio Mixx Memory Fit 2
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NuForce BE6i
Specifications

NuForce HEM6
Specifications

NuForce BE Sport3
Specifications

NuForce BE2
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NuForce BE Free8
Specifications

NuForce BE Free5
Specifications

NuForce BE Sport4
Specifications