[Compatible] Compatible with Revitive Medic Circulation Booster. Please check the compatibility before purchase [Specification] Input: 100-240 V 50-60 HZ; Output: 5 V 2 A; Cable length: 4.9 Ft / 1.5 M; Color: White [Security] This charger is made of safe material and built-in multiple protections, which are tested to avoid over-voltage, over-current, short-circuit, high temperature and more [Durable] Our charging cables are made of tough materials that are not easy to break and have a long life to ensure continuous power supply to your devices [After Sales Support] If you have any problems about this product, you can communicate with us at anytime, it’s our pleasure to solve problems for you, we will replay your message as soon as possible within 24 hours