Rebeltec Bluetooth headphones Crystal black

Stereophonic headphones with microphone dedicated for smartphones and tablets high-quality drivers ensure crystal clear sound "smart button" - used for answering and ending calls, playing and pausing music quick folding design makes traveling easier mini 4-pin jack 3.5mm (in/out in one connector) frequency response: 20Hz-20kHz impedance: 32 ? ±15% sensitivity: 105±3dB cable length: 1.6± 0.15m special profile cable that prevents tangling speaker diameter: 40mm