1. Taw qhia
The Poly Sync 20 USB-A is a personal smart speakerphone designed for flexible work environments. It offers high-quality audio for calls and music, with versatile connectivity options for both computers and mobile devices. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.

Duab 1.1: Sab saum toj view of the Poly Sync 20 USB-A speakerphone, highlighting its control interface.
2. Dab tsi hauv lub thawv
Xyuas kom tseeb tias txhua yam khoom muaj nyob hauv koj cov khoom ntim khoom:
- Poly Sync 20 USB-A Speakerphone
- Nqa Case
- Lanyard
- Phau Ntawv Qhia Pib Ceev

Image 2.1: The Poly Sync 20 speakerphone stored within its included carrying case.
3. Khoom Tshajview
The Poly Sync 20 features intuitive controls and indicators for seamless communication and media playback.
3.1. Ntaus Layout

Image 3.1: Angled view of the Poly Sync 20, illustrating its compact design and control panel.
3.2. Tswj thiab ntsuas
- Programmable Khawm: Customizable for various functions like play/pause music, last-number redial, or voice assistant activation.
- Kev Tswj Suab (+/-): Kho qhov tso zis suab.
- Lub Pob Kom Ncauj: Mutes or unmutes the microphone. A highly visible light bar indicates call status, including mute.
- Hu khawm: Teb lossis xaus hu.
- Bluetooth khawm: Initiates Bluetooth pairing hom.
- Lub zog khawm: Tig lub cuab yeej rau lossis tawm.
- USB-A Cable: Integrated cable for PC/Mac connection and charging.
- USB-A Chaw nres nkoj: For charging external devices like smartphones.
4. Teeb tsa
4.1. Tus nqi pib
Before first use, fully charge your Poly Sync 20. Connect the integrated USB-A cable to a powered USB-A port on your computer or a USB wall adapter. The device has up to 20 hours of battery life on a full charge.
4.2. Connecting to a PC/Mac (USB-A)
- Unwrap the integrated USB-A cable from the base of the speakerphone.
- Plug the USB-A cable into an available USB-A port on your computer.
- The speakerphone will power on automatically and be recognized by your computer as an audio device.
4.3. Connecting to a Mobile Device (Bluetooth)
- Power on the Poly Sync 20 by pressing and holding the Power button until the light bar illuminates.
- Press and hold the Bluetooth button on the speakerphone until you hear "pairing" and the light bar flashes blue.
- On your mobile device, go to Bluetooth settings and select "Poly Sync 20" from the list of available devices.
- Once paired, you will hear "pairing successful" and the light bar will turn solid blue.

Image 4.1: The Poly Sync 20 connected to both a laptop via USB and a smartphone via Bluetooth.
5. Kev khiav hauj lwm ntaus ntawv
5.1. Basic Call and Media Controls
- Cov Lus Teb / Hu Xov Tooj Hu Tag: Nias lub khawm hu.
- Kho qhov ntim: Press the Volume + or - buttons.
- Lub suab Microphone: Press the Mute button. The light bar will change color to indicate mute status.
- Playing/Pausing Music: Use the programmable button if configured for this function, or control directly from your connected device.
5.2. Programmable Khawm
The rocket-shaped programmable button can be customized using the Poly Lens desktop application. Default functions may include play/pause music, last-number redial, or activating your device's voice assistant.
5.3. Using as a Portable Charger
The Poly Sync 20 can charge your mobile devices. Connect your smartphone or other USB-powered device to the USB-A port on the side of the speakerphone. This feature is active when the speakerphone has sufficient battery charge or is connected to a power source.

Image 5.1: The Poly Sync 20 functioning as a portable charger for a smartphone.
5.4. Poly Lens Desktop Application
For advanced settings, firmware updates, and customization of the programmable button, download and install the Poly Lens desktop application from the official Poly website. This application provides insights into device usage and helps optimize your workspace connectivity.

Image 5.2: The Poly Lens desktop application interface for device management.
6. Kev tu
6.1. Kev ntxuav
To clean your Poly Sync 20, use a soft, dry, lint-free cloth. For stubborn dirt, a slightly damp cloth with mild soap can be used, ensuring no moisture enters any openings. Avoid abrasive cleaners or solvents.
6.2. Cia
When not in use, store the speakerphone in its provided carrying case to protect it from dust and physical damage. Store in a cool, dry place away from direct sunlight and extreme temperatures.
7. Kev daws teeb meem
| Teeb meem | Ua Tau | Kev daws |
|---|---|---|
| No audio from speakerphone | Device not powered on, not connected, or volume too low. | Ensure device is powered on. Check USB or Bluetooth connection. Increase volume on speakerphone and connected device. Verify speakerphone is selected as the audio output device on your computer/phone. |
| Microphone tsis ua haujlwm | Microphone muted or not selected as input device. | Press the Mute button to unmute. Verify speakerphone is selected as the audio input device on your computer/phone. |
| Bluetooth pairing teeb meem | Device not in pairing mode, or previously paired. | Ensure speakerphone is in pairing mode (flashing blue light). Delete "Poly Sync 20" from your device's Bluetooth list and try pairing again. Ensure devices are within 10 meters (33 feet). |
| Lub suab tsis zoo | Interference, low battery, or outdated firmware. | Move away from other wireless devices. Charge the speakerphone. Update firmware using the Poly Lens app. |
| Device not charging external phone | Speakerphone battery low or not connected to power. | Ensure the Poly Sync 20 has sufficient battery charge or is connected to a power source via its integrated USB-A cable. |
8. Cov lus qhia tshwj xeeb
- Qauv Lub Npe: Poly Sync 20
- Qauv nab npawb: 216865-02 : kuv
- Kev sib txuas: Bluetooth, USB-A
- Wireless Kev Sib Txuas Lus Technology: Bluetooth
- Ntau yam Bluetooth: Mus txog 10 meters (33 ko taw)
- Roj teeb lub neej: Mus txog 20 teev
- Lub zog Source: Roj teeb Powered
- Lub sij hawm them nqi: Kwv yees li 4 teev kom them tag nrho
- Hom hais lus: Multimedia, with bass reflex system and dual passive radiators
- Hais Lus Loj: 40 hli
- Hom Tawm Suab: Lub tso suab
- Zaus teb: 80 Hz txog 20 kHz
- Microphone: Multi-microphone steerable array for echo and noise reduction
- Tshwj xeeb nta: IP64 dust- and water-resistant, Portable charger, Programmable button
- Khoom Dimensions: 3.7" D x 7.2" W x 1.3" H (9.4 cm D x 18.3 cm W x 3.3 cm H)
- Yam khoom hnyav: 1.19 phaus (0.54 kg)
- Khoom siv: Yas
- Cov Cheebtsam suav nrog: Speakerphone, carrying case, lanyard, quick start guide
9. Warranty thiab Support
9.1. Warranty Information
The Poly Sync 20 USB-A comes with a limited warranty. For specific terms and conditions, please refer to the warranty documentation included with your product or visit the official Poly webqhov chaw. Khaws koj cov ntaub ntawv pov thawj ntawm kev yuav khoom rau kev lees paub.
9.2. Cov neeg siv khoom txhawb nqa
For technical assistance, product registration, or to download the Poly Lens application, please visit the official Poly support weblub xaib. Koj tuaj yeem nrhiav cov lus nug nquag nug thiab cov peev txheej ntxiv nyob ntawd.





