Compare Open-Ear Designs
Compare open-ear and bone-conduction wireless audio by mechanism, fit, awareness limits, and the model details to verify before buying.
| This model | Recommendations | |||||
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Poly 4320-M Operates in the 2.4 GHz ISM band.
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Poly Voyager 4300 UC 4320-M Wireless connectivity on the 2.4 GHz ISM band.
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Poly Voyager 4310 UC Single-ear design
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Poly Voyager 4300 UC 4320 C Black Bluetooth wireless connectivity
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Poly Voyager 4320 UC Boom microphone
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Poly Voyager 4320 Bluetooth wireless connectivity
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| Brand | Poly | Poly | Poly | Poly | Poly | Poly |
| Model | 4320-M | Voyager 4300 UC 4320-M | Voyager 4310 UC | Voyager 4300 UC 4320 C | Voyager 4320 UC | Voyager 4320 |
| Price | €120.64 | €149.63 | €81.63 | €145.13 | €170.08 | €129.81 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 14, 2026 |
| Model Name | 4320-M | Voyager 4300 UC 4320-M | Voyager 4310 UC | Voyager 4300 UC 4320 C | Voyager 4320 UC | Voyager 4320 |
| Part Number | 218479-02 | 218479-02 | 2-218473-333 | 218478-01 | 429836911180 | 76U49AA |
| Product Type | Wireless headset | headset | wireless headset | Headset | Wireless headset | Wireless headset |