Long Using LifeThe battery allows continuous enjoyment of music for up to 10 hours playing time/ talking time with a quick charge of only 2 hours. Perfect for exercising, jogging, workout mowing and more. Enjoy your music on the go all the day. SoundLatest Wireless Bluetooth 5.0 Technology with A2DP stereo music, clear sound, ideal for music. Powerful audio driver offers balanced audio and crystal clear sounds with dynamic base performance.Support TF Card and FM RadioAs a data transmission medium, you can enjoy music even without a smart phone while running. (TF card not included) With radio function, you can simply receive and play when you go out.Noise Cancellation Technology Built-in microphone with CVC6.0 noise cancellation let you get , hands-free phone conversation with clear voice even in noisy environment like inside a gym and running/cycling on the road.Comfort and Easy to CarryIt is worn outside the ear rather than in the ear canal. Ergonomic design, you won't feel discomfort even if you wear them for a long time. Foldable arms for protective storage and easy portability