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.
If you are interested in more details, you can find full information on the seller's page.
Wireless spare headset with DECT 6.0 technology, monaural audio, and earbud, on-ear and in-ear wearing styles.
| This item | Recommendations | |||||
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HP Poly 85T27AA#ABA DECT 6.0 wireless technology
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HP Poly 7E2J8AA Black DECT wireless technology
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Poly CS540A Black
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Poly CS540A Black
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HP 783Q5AA#ABA Headset system for desk phones
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HP 76U48AA Bluetooth wireless technology
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| Brand | HP Poly | HP Poly | Poly | Poly | HP | HP |
| Model | 85T27AA#ABA | 7E2J8AA | CS540A | CS540A | 783Q5AA#ABA | 76U48AA |
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| Price | €129.37 | €287.81 | €204.20 | €246.08 | €122.13 | €116.48 |
| Seller | Newegg | Newegg | Newegg | Newegg | Newegg | Newegg |
| Update | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 | Nov 13, 2026 |
| Model Name | CS540 | CS510 XD | CS540A | CS540A | Poly Voyager 4310 | |
| Part Number | 85T27AA#ABA | 7E2J8AA | 7W073AA#ABA | 7W073AA#ABA | 783Q5AA#ABA | 76U48AA |
| Model Number | 85T27AA#ABA | 7E2J8AA | 783Q5AA#ABA | 76U48AA | ||
| Product Type | Wireless headset | wireless headset | Wireless headset | Wireless headset | Headset system, Wireless DECT headset system for desk phones | Headset |
| Audio configuration | Monaural | Mono; monaural | Monaural | Mono | Mono | |
| Wireless Technology | DECT 6.0 | DECT | DECT 6.0 | DECT 6.0 | DECT | Bluetooth |
| Wireless Range | 351 ft | 393.7 ft | 393.7 ft | |||
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