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POLY Sync 20+ USB-A Speakerphone, Mobile phone/PC, 55 dB, 0.715 m, IP64, Buttons, Touch, 86 dB
| Device type | Mobile phone/PC |
| Auto | No |
| Noise reduction | Yes |
| Echo cancellation | Yes |
| Signal-to-Noise Ratio (SNR) | 55 dB |
| Programmable hot keys | Yes |
| Cable length | 0.715 m |
| LED indicators | Yes |
| On/off switch | Yes |
| International Protection (IP) code | IP64 |
| Control type | Buttons, Touch |
| Sound pressure level (max) | 86 dB |
| Windows operating systems supported | Yes |
| Mac operating systems supported | Yes |
| Certification | CE, FCC, Rohs |
| Driver type | Dynamic |
| Microphone frequency | 100 - 6700 Hz |
| Number of microphones | 3 |
| Microphone mute | Yes |
| Microphone direction type | Bidirectional microphone |
| Microphone sensitivity | -42 dB |
| Connectivity technology | Wired & Wireless |
| Interface | USB/Bluetooth |
| Bluetooth | Yes |
| Bluetooth profiles | A2DP, AVRCP, HFP, HSP |
| USB connector type | USB Type-A |
| Bluetooth Low Energy (BLE) | Yes |
| Power source type | Battery |
| Battery technology | Lithium-Ion (Li-Ion) |
| Talk time | 20 h |
| Battery recharge time | 4 h |
| Width | 34 mm |
| Depth | 95 mm |
| Height | 182 mm |
| Weight | 55 g |
| Package width | 183 mm |
| Package depth | 360 mm |
| Package height | 209 mm |
| Package weight | 510 g |
| Quantity | 1 |
| Cables included | USB Type-A to USB Type-C |
