Featuresr wireless bluetooth 41 quick pairingr headset with bluetooth v41 version compatible with most bluetooth enabled devices simple quick and safe pairingr r ergonomical comfortable to wearr ergonomical design sporty idea injected light in weight rubber coating comfortable to wear for a long timer r noise cancelling crystal high quality soundr in ear headset clear crystal hd sound take phone calls with built in microphone convenient volume controlr r hands free mutifucti