Feature●Power Adapter Charger Compatible with Polycom SoundPoint IP301 IP 501 Phone 2201-11301-001●【SAFETY】: With the international quality certification authority, our products are in compliance with top industry standards, and include numerous safety mechanisms, including protection against short circuiting, overvoltage, overcurrent, and internal overheating.●【Input】: AC 100-240V 50/60Hz.●High Power exchange efficiency to control working temperature and stable working.●【Kindly Note】:Please make sure that you choose the right device before purchasing.Description Power Adapter Charger Compatible with Polycom SoundPoint IP301 IP 501 Phone 2201-11301-001