This product is either discontinued or we cannot get that from suppliers.
Poly Plantronics Calisto 7200 207913-01, Bluetooth 4.1 + EDR; pairing up to 10 devices, Loudspeaker Frequency Response 200 Hz to 14 kHz, Talk time Up to 6.5 hours, Standby Time Up to 1 week, Charge time 3-6 hours depending on the method, Operating temperature 32°F – 104°F (0 – 40°C), Micro USB.
Poly/Plantronics Calisto 7200 Bluetooth speakerphone is a portable conference speakerphone. This compact speakerphone provides high?quality conference audio in a small group of 6 people or less in a small conference room.