Designed for daily commuting, sports workouts, office work and outdoor use, this versatile bluetooth headset integrates all practical features of premium neckband audio devices, perfectly serving as professional bluetooth neckband headphones and comfortable headphones around neck for long-term daily use. Adopting an ergonomic wearable structure, these neckband bluetooth headphones are crafted with lightweight soft silicone material, fitting the neck curve snugly to reduce wearing fatigue, while the IPX5 sweatproof rating effectively resists sweat and minor water splashes during running, gym workouts and daily activities, making these durable neckband earbuds ideal for all-day indoor and outdoor scenarios. Featuring a unique adjustable structure, these retractable earbuds and retractable headphones allow users to freely stretch the ear cords to a suitable length and retract the wires with one simple press, completely avoiding messy tangles and bringing ultra-convenient storage and portability. Equipped with stable Bluetooth 5.1 technology and advanced CVC 6.8 noise cancellation, these headphones around neck deliver crisp treble, rich bass and immersive stereo sound, while filtering out ambient background noise. The built-in sensitive microphone ensures crystal-clear call quality, and the intelligent incoming call vibration reminder prevents users from missing important calls even in silent mode, supporting convenient call mute and transfer operations. Boasting outstanding battery performance, these neckband bluetooth headphones are equipped with a high-capacity 200mAh battery, supporting up to 22 hours of music playback, 20 hours of talk time and 550 hours of ultra-long standby time on a single charge, with real-time battery display on paired devices for hassle-free use. In addition, this bluetooth headset supports seamless dual-device simultaneous connection, intelligently switching audio between two paired devices such as smartphones and laptops. Widely compatible with iOS, Android, tablets, PCs and all Bluetooth-enabled devices, these retractable headphones bring flexible and efficient audio experience for meetings, online courses, music entertainment and driving use.