Acoustic membranes; Audio interfaces; Cabinets for loudspeakers; Computer hardware; Computer mouse; Computer peripheral devices; Data processing equipment, namely, couplers; Ear buds; Electrical pickups for use with musical instruments; Electronic sound pickup for guitars and basses; Downloadable gesture recognition software; Headphones; Interfaces for computers; Iris recognition security devices; Keyboards; Loudspeakers; Microphones; Mouse pads; Portable media players; Portable vibration speakers; Protective films adapted for computer screens; Smartglasses; Smartwatches; Virtual reality glasses; Virtual reality headsets; Wearable activity trackers; Wearable computer peripherals in the nature of wireless mice; Wearable computers in the nature of smartglasses; Wearable computers in the nature of smartwatches; Computer keyboards; Mobile phone cases featuring rechargeable batteries; Rechargeable batteries; Renewable battery system to provide backup power; Wireless headsets for smartphones; Wireless cellular phone headsets