B3505 bluetooth wireless sport headband headset headphone with microphone
Modelb3505 cable lengthcm120 materialplastic typeheadband general usesports fitness functionsports gaming fm radio with microphone hi fi noise cancelling communicationwireless bluetooth connectors35mm memory capacitynone speaker diameter50mm speaker frequency response20hz 20 000hz driver typeelectrostatic sound channel21 bluetooth versionv21 operating rangem10 talk timehours8 standby time hours180
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