K2 Bluetooth 5.0 Sunglasses Outdoor Smart Bluetooth Glasses Wireless Sport Headset With Microphone Anti-Blue Sunglasses

Features:1. Care for both eyes, improve work efficiency, anti-blue light lens has anti-radiation function, improve long-term care for the computer eye dry state, improve the work efficiency.2. Safe travel, do not miss the call, tap the switch button to answer the call, semi-open smart speaker can relieve ear pain, free hands.3. Use TR+ metal frame / mixed material to reduce its own weight; refined design for the wise and stable characteristics of the wearer.4. Silicone movable nose pad: silicone nose pad can better adapt to different nose types, reduce the burden of nose bridge when wearing, and it is more comfortable.5. Fast charging, long standby 80h; built-in large-capacity lithium polymer battery.6. External speaker/USB charging port: Use external speaker to eliminate ear pain caused by long-term wearing of earphones, USB charging interface, innovative dual battery, low power consumption design, long battery life, long-lasting companionship.specification:Name: Smart GlassesBluetooth: BT5.0WiFi: Not supportedBattery type: lithium polymerCapacity: 90mAhCharging Method: USBLens material: three-layer coated anti-blue lens, high hardness scratch-resistantWaterproof rating: IP64Charging time: about 1HLife time: Standby for about 7 days, continue to play music about 4H, continue to talk about 5HProduct language: Chinese and English languageAppearance material: frame, mirror arm: polymer TR90 PA materialGlasses size: L*W*H=about 145*18*42mm/5.71*0.71*1.65inMaterial fraction: TR+ metalMirror width: 65MM/2.56inFrame height: 42MM/1.65inNose spacing: 22MM/0.87inArm length: 150MM/5.91inFrame width: 144MM/5.67incolor: black, bluePacking List:1* smart glassesthe load1* English manual