Features 1 Open Sound Field Featuring open ear design this eliminates the discomfort from in ear headphones Additionally at a mere weight of 37 7g these glasses offer maximum convenience for long term wear 2 Anti Sound Leakage Adopting an inverse sound field structure and an anti leakage membrane design it makes sure there s reduced sound leakage 3 Call Noise Cancelling Utilizing noise cancelling technology for clearer calls and a better overall listening experience 4 24H Long Endurance Boasting a powerful battery it allows up to 24 hours of daily use 10 hours of continuous music playback and 7 hours of continuous talk time 5 IP54 Waterproof With an IP54 rating it offers protection against dust and water splashes ensuring durability in diverse environments 6 Smart Interaction Comes with smart features like schedule reminder announcements weather updates automatic glasses finding feature and automatic glasses pairing for convenience Specifications GeneralSpecificationProduct NameAudio GlassesBrandXiaomi MijiaColorBlackWearing TypeSun GlassesWaterproofIPX54Speaker109mm²Frequency Response20Hz 20kHzbluetoothbluetooth VersionV5 2Supported ProfilesHFP HSP A2DP AVRCPTransmitting Distance10mBattery ChargingWork Time24hMusic Time10hCall Time7hStandby Time11daysCharging Time2hOther FeaturesMicrophoneYesSizeWeightProduct Weight0 0377kgPackage Weight0 0800kgProduct Size143 5 155 45mmPackage Size180 180 65mmPackage list1 Glasses Frame1 Right Glass Leg1 Lef