Bone Conduction Glasses Headphones with Anti Blue Light and Photochromic Lenses D669113

IP66 WaterproofSize: 155mm* 146mm* 49mm5.0 Bluetooth Connection: Pls check the operation video and follow User Manual to connect the device. Should you have any using questions, pls contact us directly for support.Open-Ear Bone Conduction Headphones: Open-Ear Bone Conduction Headphones: transmit immersive sound through the skull bone vibration to the cochlea, skipping your outer and middle ear and keeping your eardrums free to pick up other sounds, keeping you alert to surrounding and protecting hearing. Noted: for all bone conduction devices, it is not 100% silent to people around you when device volume above 80%.Photochromic and Blue Light Blockage: with 2 in one lenses, you can wear the glasses while working to block the harmful blue light emit from computer to relieve and protect your eyes, and while stepping outside under sunlight, the glasses will get tint. Noted: the lenses tint will change to dark grey based on sunlight intensity, but still not exact like normal sunglasses.Intelligent Voice Assistance: compatible with most mobile phone Voice Assistant to perform voice command to call someone, play music, or to navigate. After glasses connected with Bluetooth device, double clicking the the button of the main connection side with Bluetooth to activate the Voice Assistant.High-quality TR-90 and Copper Hinge Made: the TR-90 polymer materials featured with super toughness, impact-resistance, wear-resistance, low friction coefficient. Copper Hinge effectively prevent screws loose and ensure easily open and fold the glasses.Convenient Magnetic Charging: Bone conductive glasses designed with magnetic charging interface and comes with cables, allowing you easily to connect charging and with easy maintenance. Fully charged within 1 hours supports 3-4 hours of continuous playback. Note: always use 5V-1A USB chargers(not included) for charging instead of any fast charger.