Monoprice 1ft Ultra Slim Series USB 3.0 Cable, A Male to Micro B Male, Black (1) Save when you buy the 2-Pack! USB 3.0 A male connector head measures about 16mm wide, 8mm thick, and 20mm long USB 3.0 micro B male connector head measures about 16mm wide, 7mm thick, and 20mm long Limited lifetime warranty