Grade A refurb Size M/L USB Charger and case Grade A refurb Used once (too big for my head) Size M/L Comes with usb charger Experience lifelike sound without headphones from Bose sunglasses. ... produces astonishing sound. Description Meet Bose Frames, the first audio sunglasses from Bose. Miniaturized Bose electronics produce rich, immersive sound for you, while others hear practically nothing. It's a revolutionary personal audio experience hidden inside two classic designs, each enriched with premium accents and materials. Play music. Take calls. And block up to 99% of UVA/UVB rays. Bose and Bose Frames are trademarks of Bose Corporation. 832029-0010B Specifications Weight: .71 Pounds Estimated Charge Time: 4 Hours Wireless Technology: Bluetooth Voice assistant built-in: No Voice Assistant Built-In Battery: 1 Non-Universal Lithium Ion, Required, Included