1.Built in Microphone and Multifunction Control: Answer Calls | End Calls | Fast Forward | Rewind | Pause | Play2.MINI SUB-WOOFER - Especially tweaked by our engineers for that rich， rewarding bass tones that feel so right - SUPERIOR to standard earbuds that came with your device3.Noise Reduction :Long term comfort with 3 Pairs silicon soft earbuds (S/M/L)，providing a comfort fit and to your ears and quiet surroundings to enjoy uninterrupted music and talk on the go4.Best In Ear Earphones/Earbuds Compatible with:All iPhones， iPods and iPads，Samsung，LG，HTC， mp3 players， CD players and TV.What You Get: Umi Voix Earphone *1，beautiful design metal packing box *1，user manual *1， pairs of earbud*3