uxcell 3.5mm Black Adjustable Headband Headset Headphone Microphone Product Name : Headset with Microphone;Main Material : Plastic Color : Black;Cable Lenght : ~1.85m / 72.8" Microphone Size : 6 x 5mm Frequency Response : 20Hz-20,000Hz;Maximum Input Power : 150mW;Head Band Height : 16-18.5cm / 6.3" x 7.3" Headset Size : 12 x 5.5 x 16cm / 4.7" x 2.2" x 6.3"(L*W*T);Net Weight : 90g;Package Content : 1 x Headset with Microphone