Features 1. This bluetooth headset and sunglasses are the perfect combination of practicality and fashion. It allows you to enjoy the freedom of wireless listening and hands-free calling. 2. The perfect combination of durability and fashion 3. Polarized lenses that provide anti-glare and UV protection 4. Automatically switch to phone call mode when making and receiving calls 5. Bring previous/next song control, volume up/down control 6. Bluetooth V5.0, noise cancelling, Waterproof, sweatproof, Ergonomic Design, Low latency Earbuds，Built-in Mic 7. Built-in 200MAH rechargeable lithium battery, with Mini USB cable 8. Not only can answer the phone, but also can be used to listen to music. 9. Compatible with all bluetooth phones 10. Headphone talk time: 10 hours; standby time: 500 hours; 14-16 hours of continuous music playback 11. Wireless connection range: 10 meters 12, Applicable scenarios: outdoor, cycling, sports, driving, etc. 13. Both men and women can be used, Unisex wireless earphone   Product List 1X glasses 1X data cable 1X Instructions   Notes: Due to manual measurement, please allow 1-3 cm error. Due to problems between different monitors, the image may not reflect the actual color, please refer to the actual product. thank you for understanding.   Feedback: If you are satisfied with our products and services, please leave your positive feedback and 5 stars.   Serve: We care about our valued customers and will always try our best to help you and hope to build a long-term business with you.