1.many kinds of USB socket offered 2.good quality and good price 3,short ... 4.female and male,single and double USB A TYPE socket : specification of USB series as below,1) Temperature: -20oC ~ + ... 65oC2) Withstand voltage: AC, 500V, 50 - 60Hz per minute3) Rated load: DC, 50∨, ... : 500MΩ (min.)1.2.3..4. 5.6. USB SOCKET A and B TYPE female and male 90 degree and ...