?After-sales? We provide one month free return and exchange service. ?Compatible?720, 720s, 730, 740, 760, 760cc, 790, 790cc, 799cc, 799cc-6, 7790, 7797, 7760, 7799, 7840, 7850, 7880, 7893, 7898, 7899, 9000, 9093, 9290cc, 9565, 9566, 9581, 9585, 9591, 9781, 9782, 9785, 9791, 9795, 9595, 3050cc, 310-1,320s-4, 350cc-3, 330s-4, 340s, 350cc-4, 390cc, 360s-4 370cc , 370cc-4, 380s-4, 390cc-4, 5030s, 5040s. ?Easy to Use? Our products are small in size and easy to carry. You can directly use the charging head of the local country or use the computer to charge, no need to worry about the conversion plug. ?Quality Assurance? Our products are made of high-quality materials, with quality assurance, which can ensure stable current and voltage output. ?Product Specifications? Output: 12V Cable Length: 1.2m.