Anker SoundCore R500 Wireless Neckband Earphone The neckband features 10mm drivers for the immersive signature HD sound. The collar neckband elevates the listening experience with deep, powerful, and balanced bass, which is made for bass-loving audiophiles. The company claims that the bass matches different music styles and frequencies. It supports 20 hours of playtime for whole day use on a single charge. supports fast charging (USB-C) that equals 10 min charge to 3-hour playtime. R500 supports superior calling experience with an AI-powered microphone that allows to hear and be heard clearly. The two buttons inline remote control ensures a hands-free user experience.