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Features:

1. Wireless BT 5.0: Adopt latest wireless BT 5.0 technology, faster and more stable pair and connection. Built-in advanced boom microphone and dynamic speaker, provide crystal clear, true sound. Noise cancellation Mic suitable for various environment speaking. 2. Easy to use: One multifunction button to answer, reject, hang-up, redial, mute of calling, and also double-click multifunction button during calling to mute. 3. Support one to two connection and auto-reconnect: Pair with the first device, then turn off Wireless BT of the first device and pair with the second device, and then reactivate the Wireless BT connection of the first device to achieve two connection. 4. Hands-Free: Long push the calling button to activate (Siri) Voice assistant to achieve hands-free, which is more convenient for using in business working. 5. Comfortable wearing: 180 degree rotating earplug, your left and right ears comfortable fit, lightweight and comfortable enough to be worn for hours at a time. 6. Super long battery life: Up to 180 hours super long standby time, up to 20 hours of calling, up to 18 hours of playing music.