Compatible Devices Cellphones 【Noise Cancellation】With ENC three microphones and CVC8.0 noise reduction technology, the JBT600 Bluetooth headset can block 96% of background noise, providing you with a higher quality communication environment, allowing you to hear and be heard clearly wherever you are. 【Improved Wireless Range】Featuring more advanced Bluetooth 5.1 technology, this hands-free headset offers faster pairing, better connectivity, a long wireless range of 69 feet/21 meters Plus, simply long press the mute button for 2s to wake up your voice assistant. 【Premium Comfort】Conambo JBT600 wireless headphones have been newly upgraded in terms of comfort with large cushioned earcups, medical silicone non-slip cushions, an anti-squeeze design with a built-in airbag structure for all-day wearing comfort and stability. 【Long Battery Life】This trucker headset comes with a 350mAh battery designed for long-distance travel and USB-C jack for faster charging. 3 Hours charging can offer up to 35hours continuous talking time and 500 hours standby time. Save the trouble of frequent charging. 【Easy to Use】The prominently designed Multi-function button and Volume up/down buttons allow you to access your favorite functions quick and easily. When the mute button is activated, the specially designed mute indicator on the microphone of the Bluetooth headphones will turn red, making it easy for you to keep track of the current status of the function.