GeekerMart · 極客谷 Plantronics Calisto 610 Corded USB Speakerphone (電話擴音器) Features and Specifications - Connects to PC via USB - Ideal for users on the go for use with conference calls, one-to-one calls, group collaboration and web co Product #: geekermart-Plantronics Calisto 610 Corded USB Speakerphone (電話擴音器) Regular price: $HKD$661.0 Available from: GeekerMart · 極客谷In stock