37 Repair and maintenance of computers, computer peripherals, computer software, mobile phones, digital electronic devices, wearable electronic devices, audio and video products, audio, video, and media players, television set top boxes and video recorders, smart watches, wearable computers and electronics, and other consumer electronics and entertainment products; technical support services, namely, troubleshooting in the nature of repair of computers, computer peripherals, mobile phones, digital electronic devices, wearable electronic devices, audio and video products, audio, video, and media players, television set top boxes and video recorders, smart watches, wearable computers and electronics; maintenance, repair and updating of computer hardware and computer peripherals