[Dual Stereo Speaker & Open-Ear Sound Experience ▶ Our Smart Listening Glasses are designed with an open-ear speaker let you say goodbye to the discomfort of wearing headphones for a long time immersive sound to the space around your ears. "Touch & Voice-Assistant Control ▶ HD calling and listen to music. The smart glasses can easily call Siri Cortana and Google Assistant and connect to your favorite music stations. Touch to change music up and down play or pause songs answer calls." "IPX4 Waterproof & Sweat-resistant ▶ Has a strong waterproof effect can effectively resist sweat and rain professional performance. Smart bluetooth glasses waterproof performance reaches IPX4 level. Dont worry about sweating or wet hair ruining them while exercising outdoors." Smart Glasses Material ▶ The front frame arms and temples of the Smart Bluetooth glasses are made of ultra-light titanium and TR90 material. Adjustable silicone nose pads fit comfortably. The 20° curved leg design makes the glasses fit your ears better comfortable to wear for a long time. Charging 90 Min & 7hrs Long Battery Life ▶ Built-in 220mAh(110mAh for each temle) battery charging time about 90min. Stanby 20days 7h music playback and call. 7 hours long battery life for office Outdoor. Let you enjoy life: making phone calls listening to music weather forecast blog and more. Stable Connectio & Compateble ▶ Adopts upgraded bluetooth 5.3 chip to support iOS/Android system connection and the connection distance is up to 10 meters.]