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[Photochromic Lenses] The smart glasses feature photochromic lenses that deliver excellent color, clarity, and contrast while effectively filtering out harsh glare and reducing sun damage. The lenses of the bone conduction glasses stay clear indoors to block blue light and automatically darken outdoors to block UV rays, providing a versatile wearing experience for various scenarios. [IP65 Waterproof & Remote Shutter] Upgraded wireless Bluetooth smart audio glasses for ultimate convenience. With an IP65 waterproof rating, sweat and rain are no longer a concern! Remotely control your phone's camera to capture photos and videos hands‑free. [Touch Control & Voice Assistant] The open‑ear Bluetooth glasses support smart voice assistants. Press and hold the touch area for 2 seconds to answer/end calls, play/pause music, and activate the voice assistant. After the first successful pairing, the Bluetooth glasses will automatically reconnect when powered on. [All‑Day Battery Life] Equipped with a 75mAh battery, fully charged in about 1 hour, supporting 4–6 hours of playback and up to 7 days of standby time.