The Smart Glasses, Polarized Bluetooth Sunglasses with Speaker and Voice Assistant, offer a sleek design with a black frame and lens in style 1. Connectivity is through Bluetooth, with 1 Lithium Ion battery required for operation. This unisex product from model XG89 is designed for convenience and style, weighing 3.84 ounces and measuring 6.77 x 2.72 x 2.2 inches. The smart glasses provide a hands-free experience with the added features of a speaker and voice assistant for easy operation.