5674438848413696Plantronics Calisto 620 Portable Wireless UC Speakerphone (無線電話擴音器) https://www.youtube.com/embed/nAoxxcI-07Q Note: Calisto 620 (Standard) Vs 620-M: * Basic functions of the two models are the SAME * P620-M version that's spec Product #: geekermart-Plantronics Calisto 620 Portable Wireless UC Speakerphone (無線電話擴音器) https://www.geekermart.store/i/UKN8_3AAA 2024-09-21 Regular price: $HKD$992.0 Available from: GeekerMart · 極客谷In stock