Compatible only with (Plantronics Backbeat Go 2, Go 3 In Ear Earphones / Headphones). Doesn't fit Plantronics Backbeat Go 1, 1st Generation In Ear Earphones / Headphones! Apply pressure and with a circular motion, twist with one hand clockwise and with the other the opposite direction, until the ear tip has fully covered the Driver of the Earphone.
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