Engineered for superior calls in high-noise environments, BlueParrott B450-XT Noise Cancelling Bluetooth Headset is a must-have for truckers and more. Block out background noise with 96% noise cancellation. All the features of this headset just say more. More talk time, up to 24 hours, more wireless range – up to 300 feet from paired devices (wireless range needs a Class 1 device), more comfort and more advanced features. Walk and talk with no worries – the BlueParrott Bluetooth Headset has a considerably longer wireless range of up to 300 feet from paired devices. Plus, you can wear your BlueParrott headsets all day long; They feature a bigger, cushier ear cushion and a more comfortable, more durable padded headband. Have all day conversations, with up to 24+ hours of talk time and 500 hours (20 days) of standby time per charge. Plus, the BlueParrott headsets for truckers allows you to focus on the job at hand – thanks to the advanced features like voice control, for hands-free control of headset functions.