earphones for use with mobile telecommunication devices; electrical storage batteries for household use; electronic doorbells; tripods for cameras; wireless communication devices; wireless computer peripherals; wearable communications apparatus; video screens; selfie sticks for smartphones; screen protectors for cell phones; image capturing and developing devices; headsets for communications purposes; intercommunication apparatus; semiconductor integrated circuits; integrated circuits; multimeters; mobile telephone screen protectors; mobile power supply [rechargeable batteries]; microphones for communication devices; video transmission apparatus