JBL Soundgear Frames Round Audio Glasses blend open-ear audio with a stylish sunglasses design. The frames use TR90 plastic and SUS316 metal hinges for durability, weighing 52 grams. They connect via Bluetooth 5.2 and offer up to 8 hours of playback. A dual-microphone array provides noise-reduced calls. The lenses offer UV protection and can be replaced with prescription lenses by an optician. Control is via touch on the temple to adjust volume, answer calls, and skip tracks. The JBL Headphones app enables EQ adjustments. Automatic on when opened and off when closed. Available in round or square shapes with lightweight, flexible wear for all-day comfort.