6 colors mini wireless bluetooth headset with mic inear style earphone for iphone samsung mobile phone tablet pc
Operation voltagev30v 42v modela9 input voltage v3 7v materialplastic typein ear general usemobile phone cellphone functionnoise cancelling sports volume control with microphone communicationwireless bluetooth connectorsusb memory capacitynone speaker diameter15mm speaker sensitivitydb983db speaker frequency response20hz 20khz microphone unit4mmx15mm microphone spl403db10w01m microphone impedancekohm1700 microphone frequency response30hz 200
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