Vention NBYB0 Wireless On-Ear Noise-Cancelling Headphones Echo Clarity LH01 Black Model: NBYB0 (LH01 series) Type: Wireless on-ear headphones Connectivity: Bluetooth (wireless audio connection) Noise Cancellation: Active noise reduction (hybrid noise cancelling) Audio Mode: Echo Clarity tuning for clearer vocals and calls Driver Size: Typically ~40 mm dynamic drivers (series standard) Frequency Response: Approx. 20 Hz – 20 kHz Battery Life: Up to 20–30 hours (usage dependent) Charging Port: USB Type-C Controls: On-ear buttons for volume, playback, calls, and power Microphone: Built-in mic for calls and online meetings Design: Foldable, adjustable headband with soft ear cushions Comfort: Lightweight on-ear fit for extended use Compatibility: Smartphones, tablets, laptops, and Bluetooth-enabled devices Use Case: Music, calls, online classes, travel, office work Color: Black