1、A new audio experience, listen to books/podcasts without earbuds while biking or walking, maintain awareness of the surrounding 2、Support AAC code music, AAC dual speakers. 3、This smart audio glasses are also blue light blocking and polarized to keep you safe and comfortable. 4、BT5.0 connect, providing clearer sound and more stable signal.  And up to 6 hours of listening time. 5、Touch control, simply touch to take the phone call, free your hand. 6、Made with quality material, universal size and light weight, comfortable to wear. You can replace the lenses with prescription lenses yourself. Features: A new audio experience, listen to books/podcasts without earbuds while biking or walking, maintain awareness of the surrounding Support AAC code music, AAC dual speakers. This smart audio glasses are also blue light blocking and polarized to keep you safe and comfortable. BT5.0 connect, providing clearer sound and more stable signal.  and up to 6 hours of listening time. Touch control, simply touch to take the phone call, free your hand. Made with quality material, universal size and light weight, comfortable to wear. You can replace the lenses with prescription lenses yourself. Specifications: Model: KY Material: PC Lens Type: blue light blocking lens(type1), polarized lens(type2)(optional) BT Protocols: 5.0 Batterys: 100mAh Charge Method: magnetics charge Battery Life: up to 6 hours of listening time Charge Time:  1 hour Stereo Sound: Yes Phone Assistant: Yes Sweat and Dust Proof: IP5 FLASH Memory: 16MB Compatible System: IOS, Android Major Function: bt calls, music, blue light blocking lens, polarized sunlens, rx lens, AAC code music... Package Weight: 145g/5.11oz Package Size: 180*75*60mm/7.09*2.95*2.36in Packing List 1*Audio Glasses 1*Charge Cable 1*Cleaning Cloth 1*Glasses Case 1*User Manual 1*Audio Glasses 1*Charge Cable 1*Cleaning Cloth 1*Glasses Case 1*User Manual