1.Bluetooth 5.3 Version Low-latency Chip Module Open Earphone Design
2.TAC+UV400 Polarized Sunglasses Blue Light Filter Lenses)
3.Compatible with All Android&IOS Smart Devices Bluetooth Smart Glasses Headset Call Hands-Free Multi-Purpose
4.Open Earphone Design with Large Sound Cavity Listen to Music for 4 Hours, Talk for 5 Hours, Charge for 70 Minutes
5.Bluetooth Transmission Distance 40ft Ambient Working Temperature -15°C-40°C
6.Magnetic Charging Cable Is Convenient and Not Easy to Break
7.Package Includes: glasses*1 Charging Cable*1 Manual*1 Cleaning Cloth*1 Color Box*1