best selling custom bluethooth sunglasses with polarized lens

best selling custom bluethooth sunglasses with polarized lens   Product Description        Model NO. K1      Gonbes is a factory with own R&D dept to invent and make smart/ bluetooth sunglasses. Gonbes focus on good quality and best after-sales service.     Features:   1.Unique touch key for operation
2.Stereo music
3. hands-free phone call
4. navigation function (your phone must support this function)
5. Polycarbonate lens with UV Protection; 1pcs polarized lens, 1pcs colorful lens, 1 pcs yellow night lens.
6. Lens interchangeable
7. USB rechargeable   Packaging & Shipping   Company Information       Similar products  Model number:GBS-K2