【Noise Canceling Dual Mic & Wireless Charging Case】The bluetooth headsets built in noise canceling ... ear tip to meet your different needs. 【Hands-Free Call & Mute Function】This bluetooth ...

To avoid holding the phone by hand, hands-free headsets and car systems use Bluetooth transmission to synchronize with the user's cellphone within a range of about 30 feet. See Bluetooth.

"Hey Google" is a familiar phrase for anyone who likes to use their Android phones hands-free. But there are hints ... of Samsung's Project Moohan headset and Android XR-powered smart glasses ...