What a fabulous idea! These fantastic Sunglasses have a dark Polarised Lense, foam padded Ear Piece on each side of the frame, a built in Microphone, Flip Up Lenses, Volume Control buttons, last number re-dial button. They are great for most sports: Rock Climbing, Skiing, Cycling, Hiking, and driving!!! They come with a Hard Carry Case, with a zip fastening, has a plastic clip on the side, and a belt loop on the back, for easy carrying! They also come with a Charger and a USB Charging Lead. The flip lenses are great for chatting to your friends without having to take the glasses off! They have a 6 hour talk time and 3-4 day standby time...What a great gift for someone, and they are Unisex too! They make driving and talking safer!