Bone Conduction Glasses with Open-Ear Headphones, Smart Glasses Dual Bluetooth Pairing, Blue Light Glasses, IP6 Waterproof, Hand-Free Calls and Music, Gifts for Dad, Dark Gray

Dark Gray Sunglasses with UV420+ lenses, perfect for both indoor and outdoor activity. (All bone conduction headphones in the market will have sound leakage, which is normal when you keep the volume of your device over 70%) Upgraded Bone Conduction Headphones: different from tradition headphones, bone conduction keeps you aware of surrounding, and delivers sound directly to your inner ears by sending vibrations through the skull bones bypassing the eardrum to protect your hearing. CAUTION: For better listening experience, Item is not recommended for customer with bone conduction dB HL (hearing threshold) above 40db HL 4.2 Version Bluetooth and Dual Pairing: the wireless headphone Bluetooth provides access to iOS/Android devices, like cell phones, desktop PC, or laptop, and enables dual Bluetooth devices pairing simultaneously. 4.2 Bluetooth ensures fast&stable connection and up to 10 meters barrier-free wireless range. Great Battery Longevity&IP6 Waterproof: built-in 250 mAh battery fully charged within 2 hours can support 10 day of Standby, 4 hours of playback and 3 hours of conversation. Actual battery using time may differ from volume and sound source. IP6 waterproof rating endure raining or sweat from outside activity and easy maintenance. Hand-Free Calling and Music: with this wireless smart glasses, you don’t have the hassles of picking up your phones while you are driving or jogging. The buttons in the frames provide easy access to control volume, answer/hangup call, switch songs, pause/replay music etc. For best listening experience, keeping volume of bluetooth devices like cell phone at 50%-60% is recommended; maximum 100% volume may lead to sound leakage or echo during calling. › See more product details Product information Collapse All Expand All Detalles del producto Materiales y cuidado Warranty & Support Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here. Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price? Estilo Características y especificaciones