Where to Buy Optical glasses

Bone ConductionTechnology, which transmits stereo sound to the your inner ear without the use of earbuds. Open Ear Solution allows you to listen to music, answer calls, and hear notifications all from your glasses while still being able to hear the world around you. Bone conduction headphones with great sound quality, useful for speech and good for background music.  Wireless Bluetooth 4.1with wide compatibility. 2 in 1 wireless connection allows 2 mobile device pairings into the headset simultaneously. Sound passed through directly to the auditory nerve bones, will not cause damage to the ear canal and eardrum. One key to answer phone call. Waterproof bone conduction headphones with IP67. Rain, splash and sweat-resistant. Hidden USB Port, you will charge your SOGEN Glasses with the USB port that is built in and hidden on the frame. Polarized lenses( can replace it with anti blue-ray lens or myopia lens ) provide a good protection and a better view for your eyes. Note: The Standard Version is one with the plastic lens. If you want the color one, please choose the color lens you want.