The Klein Electronics Razor Lightweight Behind The Head Headset is backed by a 3 year warranty. It has a single speaker with a noise cancelling flexible boom microphone and water resistant in-line push-to-talk (PTT) button. Compatible with Motorola Hytera Cobra 2.5mm for FRS/GMS/GMRS "talkabout" radios MT350R MH230R MS350R MD200R MS355R MT352TPR MU350R MR350R MH230TPR MJ270R MR355R T9680RSAMET200 T260 T270 T280 T289 T400 T460 T465 T480 T600 H2O T605 H2O T5100 T5200 T5300 T5320 T5400 T5410 T5420 FRS 5512 5522 T5800 5820 6200 6210 6220 6250 6300 6320 6400 T7200 series FR50 and FR60 radios.