V18 sport stereo handsfree wireless bluetooth 40 stereo earhook headphones sport earphone headset for samsung iphone
Operation voltagev30v 42v modelv18 input voltage v37 cable lengthcm60cm materialmetal rubber plastic typeearhook general usemobile phone cellphone functionnoise cancelling sports volume control with microphone bluetooth communicationwireless bluetooth connectorsusb memory capacitynone speaker diameter9mm speaker sensitivitydb883db speaker frequency response20hz 20khz microphone unit4mmx15mm microphone spl542db10w01m microphone impedancekohm