Feature: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 GlassesMaterial: TR90Color: White SilverBattery: Polymer Lithium Ion Battery, 2 x 160mAh (Built in)Bluetooth Version: V5.4Standby Time: 160 HoursMusic Playback Time: 6 HoursTalk Time: 6 HoursCharging Time: 1.5 HoursOperating Mode: Slide TouchFunctions: Bluetooth Sound/Voice Calls/Voice Control/Blue Light Blocking/UVAB Resistant/UV400Size: Approx.Mirror Frame Width: 138mm / 5.4inMirror Leg Length: 153mm / 6inNose Width: 19mm / 0.7inLens Height: 40mm / 1.6inLens Width: 53mm / 2.1inApplicable People: Unisex.Package List:1 x Smart Bluetooth Glasses1 x Glasses Case1 x USB Cable1 x Glasses Cloth