About this item 【Designed for fashion】- This smart glasses can not only be used as a fashion accessory, but also as a open ear headphones to answer calls or listen to music, providing high-definition stereo sound. Interchangeable lens can meet your needs in various indoor and outdoor scenes. 【Powerful Performance】- Featured a High-Gloss black finish, it resists UV rays, protecting your eyes from damaging sun rays. Suitable for outdoor activities such as fishing, driving, sailing, etc.. Blended Bluetooth 5.0, the device can be connected quickly, and the signal transmission is stable without interruption due to audio delay or skipping. Reliable Bluetooth range up to 30 ft. 【Long Battery Life & AI intelligent Voice】- With AI intelligent voice control and built-in microphone, you can activate the phone's voice assistant "Siri" directly through the glasses. Ultra-low power consumption, when fully charged, it can provide 240h of standby time and 8 hours of music playback time. 【Advanced Speaker System】- Using directional audio surround sound technology. Both the left and right glasses have built-in dual micro stereo speakers, which can accurately and clearly transmit audio into the ear, giving you a stereo high-quality audio experience while protecting your privacy and not disturbing others. 【Ultra-Light Material & Waterproof】- The TR-90 polymer ultra-light frame is made of polymer plastic titanium ultra-light material, which adds function without adding weight, allowing you to wear stress-free and comfortable all day. IPX4 waterproof design can easily resist sweat and rain.