Smart glasses suitable for high-frequency wear are equipped with standard double-sided anti-oil , pattern anti-scratch, anti-radiation anti-blue light lenses, and a comprehensive blue light blocking rate of 35%. With the light, thin, comfortable and imperceptible glasses body design, it can appear in public without being noticed while wearing glasses. This is the most prominent feature compared to all previous smart glasses. Face the computer at work to prevent blue light, after off work, use vibrato, eat chicken, drama, watch news, eye protection, make calls and listen to navigation while driving. The smart glasses you can use most frequently are not for freshness. smart glasses on one side. Connection parameter: BT BT5.0 WIFI does not support; NFC not supported Speaker/Microphone: Speaker model: 1508; Microphone model: s15ob381 Battery: rechargeable Lithium- battery Zijian battery Capacity: 100mAh Charging : Magnetic Charging Lens material: A: Three-layer coating anti-blue lens, high hardness and scratch resistance Waterproof Level: IPX6 Charging time: about 1H Life time: Standby for about 7 , keep playing music for about 6 hours, and keep talking for about 5 hours Product language: Chinese and English language Colour: black Material: ABS Size: 180x75x60mm Package Contents: 1 * Anti-blue sunglasses 1 * Data line Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.