monoprice.com has excellent quality 28/24 micro USB cables in 3, 6 & 10' lengths. I've used them for years with fantastic results. You can buy the monoprice direct from them or from Amazon

https://www.amazon.com/gp/aw/d/B004C4WEVI/ref=mp_s_a_1_1?ie=UTF8&qid=1499103165&sr=8-1&pi=AC_SX236_SY340_FMwebp_QL65&keywords=Monoprice+28%2F24+awg+micro+usb&dpPl=1&dpID=31iJZ4%2B-bvL&ref=plSrch