YUEHISY Bluetooth Audio Smart Glasses - Photochromic Lenses Blue Light Blocking

Specification: Item Type: Bluetooth Audio Smart Glasses Material: PC, TAC Battery: Built in Lithium Polymer​ Battery, 150mAh Bluetooth Version: V5.3+EDR Transmission Distance: 10-15m Music Playback Time: 10-15 Hours Talk Time: 10-15 Hours Charging Interface: Type C Operation Mode: Slide Touch Lens Height: Approx. 42.2mm / 1.66in Lens Width: Approx. 53.1mm / 2.09in Functions: Bluetooth Audio, Voice Calls, Voice Assist, Blue Light Filter, Ai Control How to Use: Take out the product and turn it on for use. Package List: 1 x Smart Glasses 1 x USB Charging Cable 1 x Storage Bag 1 x Cleaning Cloth 1 x User Manual