Head mounted folding bilateral stereo bluetooth headset for 40
Operation voltagev04 modelq6 input voltage v5 materialrubber silicone typeheadband general usemobile phone cellphone functionbluetooth communicationwireless bluetooth speaker frequency response20hz 20khz driver typepiezoelectricity sound channel20 bluetooth versionv40 operating rangem10m talk timehours8 standby time hours70h
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