Gigaset ION alternatives, similar headphones

Yealink UH34 Dual UC
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Yealink UH34 Lite Dual UC
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Yealink UH34 Mono UC
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Yealink YHS34 Dual
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Yealink YHS34 Mono
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Poly Savi 7320 (7300 Office Series)
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Sandberg Bluetooth Earset Business Pro
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Sandberg Bluetooth Headset Business Pro
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OTL L.O.L. Surprise! My Diva
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OTL Peppa Pig Rocket George
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Sandberg MiniJack Mono Headset Saver
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Sandberg USB Mono Headset Saver
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Gigaset ZX600
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Gigaset ZX400
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Gigaset ZX300
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Gigaset
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Gigaset 4000H
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