Polarized Smart Bluetooth Audio Sunglasses

These smart sunglasses combine polarized lenses with built-in Bluetooth audio in a sleek black square frame. The polarized lenses reduce glare for clear vision during water activities like fishing, while the IP7 waterproof rating ensures durability in wet conditions. Integrated earphones let you listen to music and take calls wirelessly, eliminating the need for separate headphones during outdoor sports and activities.

Key features
Bluetooth connectivity: Enables wireless streaming of music and hands-free calling. 
Polarized lenses: Equipped with UV400 polarized lenses to reduce glare, improve contrast, and protect eyes from harmful UV rays. 
Integrated audio: Functions as wireless earbuds, allowing users to listen to music or podcasts without needing separate devices. 
Hands-free calling: Includes a built-in microphone for making and receiving calls effortlessly. 
Lightweight design: Weighing only 31 grams, they are designed for comfortable and extended wear. 
Battery life: Offers up to 6 hours of music playback and 5 hours of call time, with a standby time of 200 hours. 
Convenient charging: Fully charges in 1.5-2 hours via an included micro USB cable.