Polarized Bluetooth Sunglasses Bone Smart Glasses

Bone Conduction Bluetooth Glasses, which adopts advanced CSR chip with low consumption but high performance, Can be fully charged within 2h and have long stand-by time. In addition, it comes with 7 layers of material composite to filter UV, strong light and etc to protect your eyes. Besides, the bone conduction technology is helpful for avoiding hurting eardrum and it will deliver CD-level tone quality. What's more, it has sweatproof and waterproof design to ensure long service time.