Rebeltec Bluetooth headphones Crystal red

Stereo headphones with microphonededicated to smartphones, high-class tabletstransducers guarantee crystal-clear sound"smart button" - used for answering and ending calls, playing and pausing musicquick folding of the headphones makes travelling easiermini 4-pin jack 3,5mm connector (in/out in one connector)frequency response: 20Hz-20kHzimpedance: 32 ? ±15%sensitivity: 105±3dBcable length: 1.6± 0.15mcable with a special profile that protects against tanglingspeaker diameter: 40mm