• Bluetooth connectivity: Wireless Bluetooth sunglasses are equipped with Bluetooth technology that allows you to connect to your smartphone or other Bluetooth-enabled devices. This allows you to stream music, take phone calls, and access your phone's virtual assistant without having to take off your sunglasses.
• Built-in speakers: These sunglasses have built-in speakers that provide high-quality sound. The speakers are typically located in the arms of the glasses and deliver stereo sound.
• Microphone: The glasses also feature a built-in microphone that allows you to take phone calls without having to take off the glasses