✓Warranty service - We provide 1 year warranty service for 102U headset, if you have any problems or questions while using it, please send us a message and we will reply you within 24 hours. ✓SOFTWARE COMPATIBILITY - Applicable for Skype, Whatsapp, Wechat, Zoom, Microsoft Teams and other video conferencing software. ✓WITH VOLUME CONTROL - Easy operation, plug and play, no drivers needed, you can control the headset volum up/down, mute/un-mute the microphone or speaker. ✓LIGHTWEIGHT AND COMFORTABLE WEARING - Whether you're engaged in extended conversations, live streaming, or listening to music for long time, wearing it won't feel tight, and your ears won't experience discomfort, thanks to the soft materials used in both the headphone cg and ear cushions. ✓WITH NOISE-CANCELING MICROPHONE - ensuring crystal - clear calls. It also ensures that the person answering your call or watching your live stream won't hear any ambient noise around you.