1) Enjoy music and make calls while sports 2) Operating mode : Bluetooth 3) Blue Tooth:3.0 EDR 4) Dimension: W18*H 7cm 5) Material 80%Cotton+12%SPANDEX+8%Nylon 6) Audio output :100mW 7) Signal Noise Ratio(SNR):86db 8) Frequency Response:100Hz~20KHz 9) Wireless operation Range:10 m