NEEWER&reg; Bluetooth Sunglass (Polarized Lenses) Handsfree Headset for CellPhone Mobile Phone Stylish appearance ,unique design ,personality development features .Top grade sunglasses formed the main body. Supported handset and handfree profile. Double functions mini-version for usb and changer. This item is the perfect combination of practicability and fashion. Most fashionable design with foldable eyeglasses. Made of polarized lenses , it has the function of anti-rays, no glare and good eye health care. Hi-Fi earphones built directly on to the frame, and can be adjusted 270 degree for comfortable fit. It can works for all bluetooth mobile phones , you can enjoy hands-free talk with your friends. Telephone talking mode when calling in and out Bluetooth V1.1/V1.2 compliant. Battery :Re-chargeable lithium battery automatically detected battery voltage. Package size: 18X8.5X7.5 CM