100% OEM Compatible,More Safety Than Others:This adapters was made with the highest quality materials.V-0 grade flame retardant,OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection)
Compatible with Power Supply Compatible with Polycom VVX 101, 201, 300, 301, 310, 311, 400, 401, 410, 411, 500, 501, 511, 550, 600, 601, 611, 1500
Compatible with SoundPoint IP 560, and SoundPoint IP 670
WARRANTY: 30 Days Refund - 24 Months Exchange