Batteries; Earbuds; Headphones; Microphones; Spectacles; Adapter cables for headphones; Bone conduction earphones; Chargers for batteries; Data cables; Downloadable computer software for users to personalize and customize the backgrounds of mobile phones and monitor battery performance and charging status of mobile phones; Earphones for cellular telephones; Electronic memories; MP3 players; Noise cancelling headphones; Personal headphones for sound transmitting apparatuses; Smart glasses; Vir...