Item Type: Smart GlassesMaterial: PCSolution: ActionsFunction: BT Calling, BT Music, Anti Blue LightFeatures: Lightweight, Clear Volume, Good Call EffectHow to Use: TouchBT Protocol: BT5.0Charging Method: Magnetic SuctionCharging Time: About 1HUse Time: About 4H (100% Volume)Built in Polymer Lithium Battery: 120mAhPackage List1 x Glasses1 x Manual1 x Charging Cable1 x Storage Box1 x Cleaning Cloth1Anti Blue Light: Anti blue light lenses are suitable for long term use of computers, mobile phones, and TVs, which can care of eyesight. High quality UV400 lenses have 99% anti ultraviolet performance, reduce visual fatigue, and have a clearer vision. 2Fashionable: Smart glasses are light in weight, exquisite in shape, replaceable lenses, personalized wear, perfect style, combination of tradition and intelligence, one button touch, light and comfortable, skin friendly, simple and not simple. 3Waterproof Design: The BT glasses cooperate with the water resistant performance of the accurate technology, which can effectively prevent the splashing and short term soaking of domestic water and sweat, and up to the IP65 level of waterproofing. 4Easy to Operate: Simply double click on the glasses legs to complete the functions of answering, dialing, hanging up and rejecting calls, playing, playing, pausing music, etc., awakening the voice, speech interaction, and intelligent answering. 5BT 5.0: Using 5.0 BT chip, stable signal, 15 meters long distance without lag, good compatibility. Free navigation, anti shock, anti shake, intelligent answering, voice upgrade, high sensitivity microphone listening more clearly.