Mi Bluetooth sunglass E13 06 Black calling/ music/taking pictures - Smart Bluetooth sunglasses with calling, music playback, and photo control functions for convenient daily use. Supports voice assistants like Siri and provides hands-free call management while on the go. Battery supports up to 168 hours standby time and 4–6 hours music playback. Anti-blue light lenses help protect the eyes and can also support prescription lenses. Lightweight TR90 and PC frame materials provide durability and comfortable wear.