(2)Compatible with JBL E45BT E55BT E65BTNC 750NC Everest 700 Elite Duet BT Duet NC Live 650BTNC Live 400BT Live 500BT 950NC JBL headphones. (3)Compatible with AKG Y55BT Y55 Y50 Y45 Y40 headphones and more other headphone with 2.5mm jack port.
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