BSI 3pcs Black Eargels for Plantronics Explorer 210 220 230 235 240 242 243 245 320 330 340 350 360 370 380 390 395 Voyager 520 521 835 Bluetooth Headset Earbud Eartips Gels Replacement Parts + Nice Crystals Feather Brooch 3pcs Black Eargels for Plantronics Explorer 210 220 230 235 240 242 243 245 320 330 340 350 360 370 380 390 395 Voyager 520 521 835 Bluetooth Headset Earbud Eartips Gels Replacement Parts + Nice Crystals Feather Brooch