[Bluetooth Connectivity: Connect easily to your devices for hands-free calls and wireless music with these Bluetooth sunglasses. UV400 Polarized Lenses: Protect your eyes from harmful UV rays and cut down on glare for clearer vision perfect for any outdoor adventure. Open-Ear Speakers and Microphone: Enjoy comfortable hands-free communication with the built-in speakers and microphone ideal for staying in touch on the go. Elegant Crystal Design: The sleek crystal finish adds a touch of sophistication making these smart glasses a stylish and versatile accessory. Complete Package: Your purchase includes Lucyd Audio Glasses Slip Case Cleaning Cloth Manual and Quick Start Guide everything you need for a smooth start.]