These headphones can call and music controls! Wear Type: headband type Speaker unit Units: * Type: Sealed * Type: Dynamic * Driver size: 3.8 cm Cable: * Length: 1.1 m * One cable * Flat Cable Plug: * Type: L-shape * Diameter: 3.5 mm * 4-pole jack Convenience features: * Adjustable Band Remote Control: * Mike (talk) * Music and video playback modes: Play, pause, next song, previous song * Volume Control Compatible Models: * All smartphones that use the 4-pole jack American Main Specifications: * Maximum input: 1,000 mW * Sound Pressure Sensitivity: 100 dB / mW * Resistance: 35 Ω * Playback frequency range: 20 ~ 20,000 Hz Weight: 130 g (without cord)CRESYN