9 Batteries and battery chargers; Chargers for batteries; Chargers for electric batteries; Gaming headsets for use in playing video games; Head-mounted video displays; Headsets for playing video games; Hygienic pads adapted for virtual reality head-mounted displays; Hygienic pads adapted for virtual reality headsets; Protective sports helmet accessories that attach to the helmets, namely, mouth guards, ear pads, throat protectors, chin straps, face masks, jaw pads and eye shields; Wearable computers in the nature of smartglasses