Enter Spartan USB Headphone with Mic – 40 mm Drivers, LED, Universal

Soft & comfortable earcups: Listen to music, podcasts and more for long hours with soft ear cups making it super comfortable for daily wearAdjustable headband: Adust your headband to your comfortable best while you work or listen to musicCall Function: Enjoy online conference, online classes, calls hands-free with a built in mic on the headphone9hrs Playback Time: Fall in love with the audio experience with 9 hours of playback time to keep you going. Sensitivity : -113dB ±3dBColourBlackEar PlacementOver EarDriver40mmImpedance32OhmConnectivity3.5mm Jack & USB (for RGB)