Wireless & Wired Dual Mode: Our over-ear headphones provide 60 hours of continuous music/talking time rather than 15 hours, quadruple as much as other wireless headsets; Come with a 3.5mm audio cable, when the battery runs out of power, it can be used as a wired headphone which will never power off. Live Concert at Home:  Our engineers are always in pursuit of better sound. They spent hundreds of hours designing, testing and perfecting every product. The custom-tuned 40mm dynamic drivers produce your digital music files in rich, natural sound, bring you a live-concert experience at home. Wear All Day in Total Comfort: The kids' headphones blend sophisticated style with exceptional comfort; Super-soft, pressure-relieving ear pads evenly distribute pressure and increase ear/pad contact for a stable fit; And with a lighter-weight design (only 7.5 ounce/213 gram), you'll barely notice you're wearing them. Hands-free Calling and Good Compatibility: Easily make hands-free calls with the built-in cVc 6.0 noise suppression microphone. Wake up your Siri or Google Assistance just by double press the MFB, no need to reach for your phone. Perfect for home, online course, study, travel, business meeting, etc. Leading BT V5.0 Supports Stable Transmission: Wireless headphones provide a quick and stable connection with your Bluetooth enabled devices like cellphones, tablets, PC, TV within 10meters/33feet; It brings you more stable transmission, lower power consumption, stronger signal, making the wireless connection faster and stronger than ever.