This is a power supply designed to fit the Yealink IP Phones like the T21P and T28P for example. This power supply is 5 volts and 2 amps. The power supplies are fully refurbished and guaranteed working.
Yealink PS5V2000US Features:
- 5V Power Supply
- 2 Amps
- (1) Yealink 5 Volt Power Supply for IP Phones