Feature 1、Advanced Technology: With its industry leading 60ms Bluetooth 5.0 connection, the Bluetooth glasses deliver clear, lag free sound, immersing you in an immersive experience without interruptions due to sound delays or skipping. 2、Hands Free Call: The wireless Bluetooth glasses have a built in omnidirectional microphone and speaker so you can answer calls hands free. 3、Multifunction: The smart Bluetooth glasses are touch enabled and support changing music tracks, playing or pausing media, managing calls and more. 4、Voice Control: The smart glasses activate your smartphone's voice helper to easily speak for Siri, for Cortana and for Google Now to connect to your favourite music stations (for Pandora, for iTunes, for Spotify, etc.). 5、Eyes Protection: Bluetooth smart glasses with anti blue light filtering lenses for use during long working hours, teleconferences and in front of computers and mobile devices. They can be replaced with prescription lenses by your local eye care professional. 6、Long Lasting Life: With a battery life of 5 hours, the Bluetooth glasses can travel that much on a single charge. When folded up and not in use, it saves power by automatically switching off. Item Type: Smart Glasses Material: PC Frame + TR-90 Front Frame + TAC Lenses Battery: Lithium ion Polymer Battery (Built in) Capacity: 120mAh Bluetooth Version: V5.0+EDR Transmission Distance: 10-15m/32.8-49.2ft Frequency Range: 2402-2480MHZ Talk Time: 5 Hours Charging Time: 1.5-2 Hours Standby Time: 200 Hours Package List 1 x Smart Glasses 1 x USB Charging Cable 1 x Dust Free Cloth 1 x Manual 1 x Storage Bag