Calisto 3200 - Portable personal speakerphone with 360˚ audio | Poly, formerly Plantronics & Polycom
Plantronics Calisto 5200 Rechargeable Speaker - Smartphone (3.5mm) and PC, Charger | Compatible with Skype for Business, Jabber, USB Deskphones, RingCentral - Global Teck
Calisto P420 | USB Speakerphone for Unified Communications | Headset Experts | Plantronics
PLANTRONICS P620S BLUETOOTH CONFRENCE SPEAKER WITH CASE-DONGLE-USB-WALL BLOCK | eBay