12mm Speaker Units deliver high-quality, clear sound Dual-Mic Noise Reduction and Echo Cancelation reduce outside sound interference and feedback during calls Features Magnetic Ear Buds for convenient wear when not in use and comes with 1 set of Samsung Active Ear Gels with stabilizing wings Battery Life - up to 11 hrs talk/10 hrs play/ 500 hrs standby Compatible with Samsung Level App and S Voice Voice Command