Feature: Strong compatibility and low power consumption with Bluetooth 4.1. Enables hands-free calling and music listening. Automatically switches to phone call mode during incoming and outgoing calls. Includes previous/next track control and volume up/down functions. Ultra-lightweight design made from ABS and PC materials for comfort and durability. Compatible with various Bluetooth devices including , , , , and . Stylish design combining fashionable sunglasses with wireless earphones, ideal for driving, cycling, and outdoor activities. Equipped with polarized lenses that help filter glare and protect eyesight. Multifunctional design featuring foldable frame, telescopic headphone arm, and 270-degree adjustable rotation. Combines practicality and style, offering wireless o freedom and hands-free calling convenience. Main functions include answer/end calls, play/pause, volume control, track navigation, language switching, and voice assistant support. Specification: Type: Bluetooth glasses headset Shell material: High-quality ABS Bluetooth version: Bluetooth V4.1 Working frequency: 2.4GHz - 2.480GHz Wireless connection range: Up to 10 meters Transmit power: Class 2 Battery capacity: 180mAh Talk time: Up to 6 hours Standby time: Up to 150 hours