Ultra-long working time powerful rechargeable battery provides up to 20 hours of continuous talking/music time and 150 hours of standby with a single charge convenient claws-like magnet: the built-in magnet attracts the earplugs when you don't need them, greatly decreasing the burden on ears and giving you a convenient storage way to carry around noise-canceling technology.

Featured with CVC6.0 noise-canceling technology, our headphone filters out background noise to guarantee high-quality sound and provides you a clearer voice for calls Bluetooth 4.1. Provides a fast and stable paring with your Bluetooth-enabled devices, offering you impressive dynamic sound even you are 10 meters away from your device flexible and lightweight: weighs only 27g in flexible and durable silicone neckband, 60 percent lighter than any other neckband headset, you'll even forget you have them on.