Acoustic devices; Computer keyboards; Computer mouses; Data transmission cables; Electric cables; Covers for headphones; Headphones; Keypads; Lanyards for mobile phones; Loudspeaker apparatus; Mobile phone cases; Mobile phone chargers; Personal stereos; Protective films adapted for smartphones; Rechargeable batteries; Rechargeable cellular telephone batteries; Speakers (audio equipment); Stands for mobile phones; Stands for tablet computers; Wearable video display monitors