pbrIdeal for mobile phonebrPortable stereo headset is excellent for sports exercises: it is lightweight, small and keeps reliably on your head.brVolume controls for AndroidbrThe buttons on the cable allow to control the mediaplayer and volume of smartphone speakers. The control unit is fully compatible with Samsung, Sony and LG devices with Android OS. Compatibility with other devices depends on the specific smartphone model.brGood noise-attenuationbrListen to your favourite music or audio books wherever you want and nothing will bother that.brTechnical specificationsbrConnection type nbsp;nbsp;nbsp; wiredbrType of headphones nbsp;nbsp;nbsp; in-earbrMembrane diameter nbsp;nbsp;nbsp; 10 mmbrImpedance (headphones) nbsp;nbsp;nbsp; 32 OhmbrImpedance (microphone) nbsp;nbsp;nbsp; 2.2 kOhmbrSensitivity (headphones) nbsp;nbsp;nbsp; 105 dBbrSensitivity (microphone) nbsp;nbsp;nbsp; 54 dBbrFrequency response (headphones) nbsp;nbsp;nbsp; 20–20000 HzbrFrequency response (microphone) nbsp;nbsp;nbsp; 20–16000 HzbrCable length nbsp;nbsp;nbsp; 1.2 mbrConnectors nbsp;nbsp;nbsp; 4-pin 3.5 mm jackbrMaterial of headphones nbsp;nbsp;nbsp; plasticbrColor nbsp;nbsp;nbsp; black + greenbrROHS CE nbsp;nbsp;nbsp; Yesbr/p