WIRELESSLY CONNECTED EYEWEAR SPEAKERS: Dynamic drive, cavity design to avoid hearing impairment. In-ear design to help you stay aware of your surroundings and enjoy your music. OPEN SOLUTION: This solution not only allows you to listen to music, take phone calls and hear notifications from your glasses, but also listen to the world around you. Stereo noise-canceling microphone: This wireless radio connection 5.3 has a wide range of compatibility. Smart sunglasses have a built-in noise-canceling microphone so you can make and receive calls. SMART TOUCH: Smart touch sensors on the temples and legs easy to make calls, , take photos and more with just a tap. HIGH PERFORMANCE: 1 hour charging time, 3-5 days standby time, about 8 hours of music playback (depending on volume and ), about 6 hours of continuous calls. Specification: B: Sunglass lenses Color: As Shown Material: plastic Package Contents: 1 * Smart Bluetooth Glasses Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.