Wireless bluetooth v30 headset earhook style mono earphone with mic for iphone samsung cellphone
Operation voltagev30v 42v modelk1 input voltage v37v materialplastic typeearhook general usemobile phone cellphone functionnoise cancelling sports volume control with microphone communicationwireless bluetooth connectorsusb memory capacitynone speaker diameter12mm speaker sensitivitydb833db speaker frequency response20hz 20khz microphone unit4mmx15mm microphone spl323db10w01m microphone impedancekohm2000 microphone frequency response20hz 200