Subwoofers; Woofers; Sound recording and sound reproducing apparatus and instruments; Speaker enclosures; Stereo headphones; Television sets; Tripods; Voice display monitors; WAN (wide area network) hardware; Wearable video display monitors; Wireless chargers; Wireless computer peripherals; Wireless ear buds; Wireless indoor and outdoor speakers; Wireless receivers and transmitters for portable media players; Wireless telephony apparatus; Wireless transceiver radio; Wrist-mounted smartphones