USB Charger Cable with Wall Plug for most of Tens Units Please choose compatible model. Compatible Models; TechCare Massager Plus Tens unit, Pro, SE, S, Mini, Elite, Touch, Nursal, Healthmate Forever Adapter Rating: World Wide 100V ~ 240V 50/60Hz Charger cable for tens units - some compatible models include Techcare PLUS, PRO, SE, S, MINI, ELITE, TOUCH, Irest Pro, Unimed Pro Is compatible with most tens devices