AC/DC power supplies; Accumulators and batteries; Batteries and battery chargers; Bone conduction earphones; Cell phone battery chargers; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Earphones and headphones; Electrical cells and batteries; Lithium ion batteries; Mobile telephone batteries; Power adapters for computers; Power supplies; Power wires; Rechargeable electric batteries; Smartphone battery chargers