Featuresr headset with bluetooth v41 version compatible with most bluetooth enabled devices simple quick and safe pairingr ergonomical design sporty idea injected light in weight rubber coating comfortable to wearr in ear headset clear crystal hd sound take phone calls with built in microphone convenient volume controlr sweatproof perfect for sports like running jogging and gym exercise pairs with 2 devices for easy switchoverr easy multi function button 3 convenient keys pa