Bluetooth Vision: 4.1,Longest wireless range: 10 meters, Noise-signal ratio: 15 decibel resolution,Frequency: 2.402GHz -2.480GHz,Receiver sensitivity: 0DBM (degree: 11), Polarized lenses which can filter light and protect your eyesight,Fashionable design with foldable eyeglasses. built directly on to the frame, and can be adjusted for comfortable fit , Wireless listen to stereo music, set aside to answer the call automatically converted,Built in chargeable 150mAh battery,Control the phone to take pictures of yourself,The wireless set aside to answer phone calls,Flip-up Glasses, compitable with all smartphones