ITEM NAME:Bluebooth 4.0 Sport Bluetooth Headphone Outdoors Wireless Earbuds Headsets A#S Product Description Description: Features: 1.Designed for sports enthusiasts, using imported configuration, brings great music enjoyment for people who love sports and music. 2.Use the Bluetooth chip CSR4.1, Japanese MITSUBISHI ceramic antenna, Korean noise reduction microphone,with professional tuning, creating a triple frequency balanced output bluetooth machine king. 3.Comfortable ear design, easy to wear and take off. Using a large number of medical data of the ear canal, hundreds of professional testing personnel involved in the trials, in order to get more accurate average ear size. Two different angle design, making the ear headset perfect fit, will not feel tired after long wearing time. 4.New design for excellent sound quality, which can bring you great music enjoyment. In order to ensure the quality of wireless sound quality, use diaphragm metal composite technology, excellent sound resolution, high fidelity sound quality and more pure sound quality, bring you endless enjoyment 5.Huge battery capacity, under full power state, can reach 5 hours of music time or 6 hours of continuous talk time. 6.APT-X core lossless transmission of high-quality audio, to reduce the delay and loss during bluetooth transmission , coupled with the built-in HD voice broadband technology, allowing you to experience the sound quality of a fixed-line audio. 7.Equipped with Bluetooth 4.0+CSR8645, with high resolution clear voice.High-fidelity stereo music and clear speech, You can begin enjoying CD quality stereo sound instantly. 8.Simple-to-use: control all functions of your music (volume, sound, song selection) and calls from your phone via our simple-to-use user interface on the headphones themselves 9.Fully exercise-proof: with functional user interface, earpiece design, and a 10-meter working distance, our headphones will let you enjoy music through a variety of activities. 10.Compatible w.Use the Bluetooth chip CSR4.1, Japanese MITSUBISHI ceramic antenna, Korean noise reduction microphone,with professional tuning, creating a triple frequency balanced output bluetooth machine king. Equipped with Bluetooth 4.0+CSR8645, with high resolution clear voice.High-fidelity stereo music and clear speech, You can begin enjoying CD quality stereo sound instantly.