It works with bluetooth mobile phones, you can enjoy hands-free talk with your friends.stylish appearance combined with a unique designflip-up glasses.hi-fi earphones built directly on to the frame, and can be adjusted 270 degree for comfortable fit.wireless appreciate the play stereo music phone.polarized lenses, provide the best protection for your eyesight. effectively prevent ultraviolet rays and other harmful blue light.built-in rechargeable 120 mah lithium battery.