Straps for smartwatches; protective films adapted for smartwatches; smart phone USB connector; leather wallet cases for smartphones; smartphone mounts; protective films adapted for smartphones; selfie sticks used as smartphone accessories; sticker films with microbicidal function for liquid crystal for smartphones; smart phone case straps; films for protecting liquid crystal for smartphones; neck straps for smartphones; stand for smart phones; protective cases for smart phones; sticker for protecting liquid crystal for smart phones; purse type case for smart phones; covers for smartphones; portable case for smart phones; smart phone stand for automobiles; sub batteries for smart phones; power supplies for smart phones; chargers for smartphones; charging cable for smart phones; charging cable for tablet PC; protective case for tablet PC; stand for tablet PC; protective films adapted for tablet computer screens; respirators for filtering air; dust masks; straps for dust masks; anti-pollution masks for respiratory protection; breathing masks