Overview:1. The latest Bluetooth 5.0 technology: Bluetooth 5.0 connection technology realizes low power consumption and lossless transmission, and the speed is faster. High-fidelity stereo sound quality, call listening to clear and sweet songs, comparable to face-to-face chat.2. Imported high-definition polarized lens: The lens adopts imported high-definition polarized material to prevent explosion and effectively protect the eyes.3. Hydraulic retractable earphones: Bluetooth goggles and earphones are retractable, and the 270-degree rotation range can be adjusted freely, so that different faces can be worn comfortably.4. Actively fold the lenses: when not using polarized lenses, you only need to fold the lenses up without removing the glasses, which is very convenient.5. Surrounding stereo headset: Bluetooth headset with HIFI-level shocking stereo headset, all-round high-quality music enjoyment, high-definition call effect.Product information:technical parameter:1: Comply with Bluetooth V5.0 standard3: Support music, play music continuously for 14-16 hours (actual test time)4: Support call: support call, with microphone, continuous call for 10 hours5: Support voice: not support6: Wireless connection range: 10 meters7: Transmitting power: Glass28: Support Headset&Handsfree Profiles9: The headset has a built-in rechargeable lithium battery 200mAH:10: headset talk time: 10 hours standby time: 500 hoursBluetooth protocol: 5.0Transmission range: 10 metersPackage Content：1*Bluetooth glasses