【Smart AI Environmental Noise Cancelling Technology】The microphone of this trucker bluetooth headset equipped with a Qualcomm chips picks up all environmental noise and human voices, and dynamically suppresses up to 99.6% of environmental noise through ENC technology. Intelligently eliminate noise and optimize audio, with a noise reduction depth of up to 40dB. Enhance your voice during calls. | 【Bluetooth 5.0 & USB Dongle】Connect this bluetooth Headphones to your mobile phone, computer, and other devices via Bluetooth 5.0 and USB Dongle to enjoy stable wireless calls up to 10 meters. Compatible with most PCs and laptops. Calls are no longer bound by traditional headphone cables. | 【Dual Charging Mode】This wireless bluetooth headset comes with a 400mAh battery that supports up to 25 hours of talk time and 45 hours of music playback time. Supports dual charging mode, connect headphones and charging cable to charge directly or use the included charging base to charge. | 【Clear Sound Quality & Mute Mode】This trucker headset supports HD calls and stereo output, allowing you to enjoy clear sound quality and not miss any important information during the call. Multi-function button design supports quick volume adjustment, answering and rejecting calls, or entering Mute mode. | 【Comfortable On-Ear Design】Lightweight single-ear design, equipped with a 270° rotatable microphone, allows you to flexibly switch your left and right ear for listening. Give you a better comfortable wearing experience. This work headset weighs only 75g, so it won't feel heavy when worn all day long. Ideal for long-time meetings and driving.