携帯 （ケイタイ） carrying (on one's person or in the hand), mobile phone, cell phone

携帯ストラップ （ケイタイストラップ） straps for mobile phone

連携 （レンケイ） cooperation, coordination, link

戦略的提携 （センリャクテキテイケイ） strategic partnership

携える （たずさえる） to carry in one's hand, to carry with one, to have on one's person, to bear, to take along (someone), to take (someone) with one, to be accompanied by

携わる （たずさわる） to engage in, to participate in, to take part in, to be involved in