The power supply included with the CAT B25. It's a normal USB power supply, but the micro end of the USB cable is narrower to allow connection into the recessed port on the phone
It's rated at an input of 100V-240V AC 50Hz 0.3A and outputs at 5V DC 500mA.
<a href="//commons.wikimedia.org/wiki/User:MarcoTangerino" title="User:MarcoTangerino">MarcoTangerino</a>
<span class="int-own-work" lang="en">Own work</span>