Langsdom l7 bluetooth 40 earphones magnetic metal bluetooth headset stereo noise cancellation wireless earbuds for mobile phone
Modellangsdom k2 materialpolycarbonate typein ear general usemobile phone cellphone functionsports gaming volume control dj with microphone bluetooth hi fi noise cancelling communicationwireless bluetooth connectorsusb driver typemoving coil sound channel21 bluetooth versionv40 brandlangsdom production modeself produce