Features 1、Blue Light Blocking: Blue light glasses reduce screen flicker, ease eye fatigue, improve sleep quality, and provide immersive sound with speaker design, allowing you to relax, and protect your eyes. 2、Stable Connection: The sound glasses feature 40ms Bluetooth 5.4 connection for smoother, no stutter sound experience, fast switch between different frames, and advanced sound technology for your daily wear and style. 3、Touch and Voice Control: Stylish Bluetooth glasses with touch interface allows for easy media playback, call management, and voice control activation of smartphone. Dual microphones for convenient phone calls, built in microphone and speaker for easy multitasking. 4、Premium Sound Quality: Connect your phone to the glasses for Bluetooth music playback. Built n microphone for clear HD calls, pick up your voice clearly in background noise, and private mode automatically activates to prevent eavesdropping. 5、IP67 Water Resistant: Strong IP67 water resistant performance that resists sweat and rain, ideal for outdoor sports. Smart Bluetooth glasses is made for high strength TR90 material, high toughness, unbreakable, and safe for the eyes. Specification Item Type: Smart Bluetooth Sound Glasses Material: TR90 Color: White Silver Battery: Polymer Lithium Ion Battery, 2 x 160mAh (Built in) Bluetooth Version: V5.4 Standby Time: 160 Hours Music Playback Time: 6 Hours Talk Time: 6 Hours Charging Time: 1.5 Hours Operating Mode: Slide Touch Functions: Bluetooth Sound/Voice Calls/Voice Control/Blue Light Blocking/UVAB Resistant/UV400 Size: Approx. Mirror Frame Width: 138mm / 5.4in Mirror Leg Length: 153mm / 6in Nose Width: 19mm / 0.7in Lens Height: 40mm / 1.6in Lens Width: 53mm / 2.1in Applicable People: Unisex Package List 1 x Smart Bluetooth Glasses 1 x Glasses Case 1 x USB Cable 1 x Glasses Cloth