Bone Conduction Bluetooth Glasses with Open-Ear Headphones - Photochromic Sunglasses, Anti Blue Light, IPX6 Waterproof - Hands-Free Calling & Music for Running, Cycling, Driving - Smart Audio Glasses for Men & Women

All kinds of bone conduction headphones in the market transmit sound through vibrating bones. When the headphones are working, the outer shell of the earphone will be vibrated with the sounding vibrator inside. Then the outer shell vibrates the surrounding air, which may lead to sound leakage specially when the volume is at max. For best listening experience or when in quiet places, we recommend that customers can adjust the volume at 50%-60% of their bluetooth devices like cell phone, sound of smart glasses will NOT be noticeable by people aound 1-2 meters away. When in noisy environment, you can use the earplugs to cover your ears, so that you will hear the sound from glasses more clearly. Lightweight and Fashion Glasses for Women and Men Very lightweight with only 32g, the Bluetooth Glasses is comfortable to wear, Photochromic lenses with UV+420cut, filter out 99% of harmful blue light (400-440nm). No matter at day or at night, this smart glasses will protect your eyes. Great Battery Longetivity The bone conduction glasses comes with built-in 250 mAh battery, can be fully charged within 2 hours. After fully charged, the audio glasses can support 4 hours of playback and 3 hours of conversation. Product Specification Size 14.5*5.2*14.4 CM Item Weight 32g Speaker Type Bone conduction speakers Speaker Sensitivity 102~3dB Michrophone Sensitivity -40~3dB Waterproof Rating IP6 Lenses Photochromic lenses and anti blue ray Compatibility Compatible with both Android and iOS devices Bluetooth Bletooth version 4.2, supports dual Bluetooth devices pairing simultaneously Battery Detail Fully charged within 2 hours; Can support 4 hours of continuous playback and 3 hours of continuous conversation Package Inlcuded Smart glasses*1, lenses teamplates*2, USB chargeing cable*1, non slip pads*2, cloth pouch*1, user manual*1 How to test bone conduction To have better understanding and distinguishing, you can use the earplugs provided in the box, and play music or answer call. Though your ears are covered, you can still clearly hear the sound. We recommend you keep volume at 50%-60% for best listening experience; Maximum 100% volume may lead to echo during calling, or even lead to sounds transfer to people near you by air. How to test transition lenses To cover one lens with cloth, and put the whole glasses under sunlight, after 1-2 mins, you will see the change and difference of two lenses under difference UV intensity

Open-Ear Bone Conduction Headphones differ from traditional ones, maintaining awareness of surroundings. They deliver sound directly to your inner ears through skull bone vibrations, protecting hearing. CAUTION: Not recommended for customers with bone conduction dB HL above 40dB HL for optimal listening experience

Photochromic & Anti-Blue Light Lenses: Tint adjusts based on sunlight/UV intensity outdoors (UV420 protection). Clear indoors. Blue light glasses block harmful blue light from screens. Enhance eye protection indoors and outdoors with these innovative lenses

Hands-Free Calling & Podcasts: These wireless smart glasses eliminate the need to handle phones while driving or jogging. Control volume, calls, and music effortlessly with frame buttons. For optimal listening, maintain Bluetooth devices at 50%-60% volume; higher levels may cause sound leakage or echo during calls

4.2 Version Bluetooth with Dual Pairing: Access iOS/Android devices like phones and laptops. Simultaneously pair two Bluetooth devices. Enjoy fast, stable connection and a 10m wireless range. (Note: Sound leakage in bone conduction headphones is normal at volumes above 70%)

Battery Life & IP6 Waterproof: 250mAh battery fully charges in 2 hours with a 5V 1A charger (not included). Offers 10 days standby, 4 hours playback, and 3 hours talk time (tested at 50%-60% volume). IP6 waterproof rating withstands rain or sweat, ensuring durability and easy maintenance