Smart Glasses Wireless Bluetooth 5.0 Sunglasses Outdoor Smart Sport Hands-Free Calling Music Anti-Blue Eyeglasses $59.99/pr. Lens Color: Anti-Blue Frame: Black Free Shipping Ky Smart Wireless Headphones Bluetooth Headset Glasses Sports Anti-Blu-ray Earphones Built-in Speaker Not Bone Conduction Description: 1. Bluetooth Glasses Speaker: The dynamic driver, unique sound cavity design avoid hearing obstacles. The open-ear design helps you always pay attention to your surroundings, avoid danger and enjoy music. 2. Open-ear Solution: The solution allows you not only to listen to music, answer calls, but also to hear notifications from the glasses, while still listening to the world around you. 3. With Noise Cancelling Mic: This wireless Bluetooth 5.0 has a wide range of compatibility. Smart sunglasses have a built-in noise cancelling microphone that allows you to make and receive calls. So the glasses are perfect for cycling, running, driving, boxing, fishing, playing basketball, shopping and other outdoor activities, you can easily make calls with high-quality sound. 4. High Performance: Charging time: 2 hours, standby time: 6 hours, playing music for about 3-4 hours (based upon the difference in volume and sound source), continuous talking about 4-6 hours. 5. IPX7 Waterproof Sunglasses: Our wireless Bluetooth 5.0 sunglasses are designed and have good waterproof effect, which can easily resist sweat and rain. The glasses are perfect for sports, music and calls. Specifications: Lens: anti-blue lens Lens material: Acrylic Frame material: ABS + PC Speaker type: dynamic speaker Microphone: -40dB3dB Compatible configuration files: A2DP, AVRCP, HSP, HFP Transmission distance: 33 ft (10m) Battery: Rechargeable lithium ion, 100mAh Continuous playback: 3-6 hours (normal volume) Standby time: 10 days Charging time: 2 hours Waterproof rating: IP7 Bluetooth version: CSR5.0 Working temperature: -10?-+ 50? humidity 0-90% Colour: Black Packing List: 1*Box 1*Bluetooth Glasses 1*USB Magnetic Cable 1*Manual Note: The glasses are only life waterproof and sweat-proof, please do not wear them when swimming 30 dys money back guarantee. Returned item must be in original condition and packaging. Buyer pays return shipping. No refunds issued unless item is returned.