Feature： 1. [Directional Sound] This BT glasses transmit directional sound into your ears, maintaining safety and providing accurate music without the need for earbuds. 2. [Noise Reduction] BT sound glasses, from the chip to the headset and speaker optimization upgrades to ensure effective call noise reduction and fidelity restoration. 3. [Stable And High Definition Calls] Smart glasses use a high version of BT solutions, stable performance, strong compatibility, to bring you high definition call sound quality. 4. [Long Battery Life] This wireless sunglasses built in 100mAh high capacity battery, charging 90 minutes, 80 percent volume continuous listening to music for 6 hours. 5. [IPX5 Waterproof] Wireless music glasses with accuracy technology, with IPX5 waterproof performance, effective protection against water, sweat, and brief immersion. Specification： Item Type： BT Glasses Material： TP90, PC, TAC BT Protocol： 5.0 Charging Time： 90min Built in Polymer Lithium Battery： 100mAh Channel： Dual Speakers, Stereo. Package List： 1 x BT Glasses1 x Charging Cable1 x Instruction Manual1 x Cleaning Cloth
