No more tangled cables or accidentally disconnected plugs. With Bluetooth wireless technology, you can connect to your device wirelessly and indulge in flawless, uninterrupted listening pleasure. With up to 15 hours of playback time on a full charge, you can enjoy your favorite playlists and podcasts all day long. When the battery is low, just 10 minutes of charging provides 60 minutes of playback. So even if you're in a hurry, the headphones are quickly ready to use again. If you have more time, you can fully charge the battery in just three hours. With four colors to choose from, you can express your style. All headphones feature a sleek flat cable and a striking metallic finish. The wireless in-ear headphones WI-C310 are soft, flexible, and lightweight, providing comfortable listening pleasure anytime and anywhere. The neckband design is comfortable, lightweight, and ensures that your headphones are never in the way, giving you complete freedom while wearing them. Whether you prefer pop hits, classical concerts, or jazz solos, the 9mm driver unit delivers dynamic sound performance with deep bass, clear highs, and outstanding clarity. Want to call a friend using your connected smartphone? Just touch the multifunction button, and the call can begin. Want to end the call? Press the button again to hang up. Access the weather report or the latest news with voice control. Double press the multifunction button, and Siri or Google Assistant is at your service.