,Poly Sync 20 Bluetooth & Corded USB Speakerphone for PC & Mobile – Global Communication,SYNC 20, SY20 USB-A WW Bluetoothスピーカーフォン,Sync 20+|Sync ファミリー|Poly社 ビデオ会議・音声会議システム|株式会社プリンストン,Amazon.com: Poly - Sync 20+ Bluetooth Speakerphone - Personal Portable Speakerphone - Noise & Echo Reduction - USB-A Bluetooth Adapter - Compatible to Connect to Your PC/Mac/Cell Phone - Works with Teams, Zoom : Electronics