Features: AI Noise Cancellation:Eliminate up to 99% of background noise. Put into use the latest noise reduction technology so you can hear and be heard clearly wherever you are. Perfect for truck drivers, receptionists, call centers, construction sites. Built-in noise-canceling microphone and dynamic speaker. Clear audio delivers crystal sound that lets you hear and be heard clearly while driving, running, and working, enjoying the freedom of wireless mobile calls and music. Bluetooth-Compatible USB Dongle Included:This Bluetooth-compatible headset comes with a USB dongle in the package, you can use our Bluetooth-compatible headset on a computer without Bluetooth-compatible function, just plug the USB dongle into the PC, turn on the Bluetooth-compatible headset and they will pair automatically. Perfect for call centers, offices, remote work, online courses, Skype, Zoom, and more. Bluetooth-Compatible 5.0 Universal Compatible:This wireless headset adapts the latest Bluetooth-compatible 5.0 version, providing a more stable connection, compatible with mobile phones, laptops, computers and other Bluetooth-compatible devices. You can use a USB dongle to connect to a device that does not have Bluetooth-compatible capability. In addition, thisBluetooth-compatible headset with microphone supports 2 device connections. Support Siri and Mute Function:This Bluetooth-compatible headset supports Siri voice assistant and mute switch. A separate mute button on the microphone is within reach. Voice prompts mute on/off. One-touch on/off Bluetooth-compatible headset and enter pairing mode, click to answer, reject and hang up calls. Comfortable & Long Battery Life: This Bluetooth-compatible headset provides you with a comfortable wearing experience and is suitable for intensive use throughout the day. Comfortable and breathable ear cups ensure all-day comfort, and the adjustable headband fits any head shape and won't slip off the head. This Bluetooth-compatible headset can be fully charged in 1.5 hours (Type-C charging port) and provides up to 35 hours of talking time or 40 hours of music playback (70% volume) on a full charge. Specifications: Bluetooth-Compatible Version: V5.0 Communication Distance: 10 meters Bluetooth-Compatible Protocols: HSP, HFP, AVRCP, A2DP Decoding Mode: SBC Package Size: 21.5*16*7cm Full Set Weight: 133g Notes: Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.