Product information:Bluetooth version: 5.0Wearing method: head-mountedCompatible platform: Android/iosOperation mode: touch + buttonCommunication function: supportGlasses size (mm): L*W*H=145*18*42mmPacking box size (L*W*H): MM 16*7.5*5.3cmPackage weight (g): Gross Weight: 235g Net weight: 32g (including lens)Main functions: Bluetooth call, Bluetooth music, can be equipped with anti-blue lens, polarized sunglasses