Polarized Bluetooth 5.0 Smart Glasses Audio Sunglasses

The upgraded the battery and sound quality, using magnetic charging, 1st generation use micro USB cable to charge Feature: -Great material composite to filter UV, strong light and etc. to protect your eyes. -Bluetooth 5.0 connection, stable connection to listen to the music or answer the phone call. -IPX7 waterproof, not afraid of sweat when you riding outdoor. -Can be fully charged within 2h and have long stand-by time. Great material composite to filter UV, strong light and etc. to protect your eyes. Can be fully charged within 2h and have long stand-by time. IPX7 waterproof, not afraid of sweat when you riding outdoors. Bluetooth 5.0 connection,