... to shoulders and backs.Why not use the BBL tapping shoulder massager?Release your pain and Ache ... ease right awayBrief IntroduceWith powerful tapping motor built in, BBL imitating professional massager to give neck, back, waist ... massager o... How to use it?Put on BBL to you, then connect it to home power ... standby status when indicator turn on,Press “AUTO”, BBL will work in Auto mode, the default Strength ...