https://www.amazon.com/8Bitdo-Retro-Receiver-NES-Classic-Bluetooth/dp/B01MQWUT0Q/ref=sr_1_8?ie=UTF8&qid=1487624710&sr=8-8&keywords=8bitdo+receiver#mobile-twister_color_name_1487705165914
Isn't it already USB what do you mean? Why not Bluetooth?
8Bitdo Retro Receiver for NES Classic Edition (Bluetooth) - NES https://www.amazon.com/dp/B01MQWUT0Q/