Here is a pair of wireless sunglasses that combine with your smartphone to let you listen to music and take calls while having your ears open. The MusicLens recognizes when you take it off to pause your music and save battery life. It has bone conduction technology and a smart sensor for easy touch control.
You can use these Bluetooth sunglasses to listen to FM radio stations, cloud music, and everything in between. The frame weighs 45g, so you can wear your MusicLens all day without getting uncomfortable.[where to find it]