These z3 black neckband-style wireless headphones feature in-ear buds designed for comfort and secure fit. Key features include 45dB Hybrid Noise Cancellation for immersive audio, 3-mic AI Call Noise Cancellation for clear calls, and Quick Device Switching for seamless transitions between devices. Enjoy extended listening with a long 28-hour battery life and rapid charging, providing 20 hours of playback from just 10 minutes of charge. Equipped with 12.4mm Dynamic Drivers for powerful sound, these headphones also boast an IP55 rating for water and sweat resistance, making them suitable for workouts and outdoor activities. The flexible neckband design incorporates control modules for easy access to functions. Compatible with Bluetooth-enabled smartphones, tablets, and other audio devices.