Classy Bluetooth Sunglasses

Bluetooth vision: 4.1,longest wireless range: 10 meters - talk time: 6 hours,stand-by time: 150 hours,charging time: 3 hours - 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.earphones 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 lithium battery,control the phone to take pictures of yourself,the wireless set aside to answer phone calls,flip-up glasses item weight 168 g package dimensions 25.2 x 12.2 x 8.4 cm speaker connectivity wireless