Guy-Tech Global 48V AC/DC Adapter Compatible with Aastra 6737i 37i A6737-0131-10-01 VoIP IP SIP Telephone Phone 48VDC Power Supply Cord

Why I choose it?
-Small and lightweight for convenience, portability and storage. Easy to take anywhere
-High efficiency and low energy consumption, low fever & no noise at full wattage working
-Protect Your Device: Over Voltage Protection, Over Heat Protection
Package Content: 1 x Charger
Input : 100V – 240V worldwide
Replacement: This Adapter is a Brand New Replacement One, Not Original
Over Voltage output Protection, Over Current output Protection. Short Circuit output Protection.
High Power exchange efficiency to control working temperature and stable working.
Package include & Note：1 x Adapter Charger, Please make sure that you choose the right adapter before ordering.