SUNGLASSES BLUETOOTH HEADPHONES They are made of high quality materials. A stable connection to the phone is provided by Bluetooth in the 4.1EDR version. Not only do they perfectly fulfill the role of wireless headphone, but also as a standalone addition to clothing. Blue lenses can increase the transparency of the field of vision, suitable for driving, riding na bike, playing sports na outdoor. They prevent eye irritation and protect the eyes, while blue lenses effectively relieve eye strain. The blue color filters out the light blue glare reflected between the sea and the sky, making it also suitable for wear during water sports. [ SPECIFICATION ] Product: Sunglasses Bluetooth: 4.1 EDR Capacity: 100 mAh Headphones: Yes Color: Black frame blue lenses Product code: 00043A4 The phone is connected to the headphones via the Bluetooth 4.1EDR connection, where the effective range is up to 10 m. It is powered by a battery with a capacity of 100 mAh, which allows na uninterrupted listening to music up to 3-4 hours, and conducting conversations up to 8 hours. The headphones have a number of built-in functions, which are designed to improve the comfort of use: Ability to receive and reject incoming calls Conducting telephone conversations Ability to adjust the volume of music Changing the currently played tracks and stopping them The glasses have been designed to fit most sizes of heads prevailing na the European market. The set includes: Sunglasses with built-in Bluetooth headphones Durable case na glasses USB cable for charging your device Cleaning cloth Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.