It has the ability to receive phone calls from a smart phone with its built in microphone. Microphone 6 x 5mm/58 'DB Speaker diameter 40mm Speaker sensitivity 102dB Speaker impendence 32© Plug type 3.5mm Cable length 1.8m Designed in Germany. Buy this Headphone and Save 77% Off on Premium Stereo Headphones with German Design and Powerful Sound.
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