Compatibility and Service: This earphone is compatible with Type-C mobile phones, tablets, laptops, etc. We provide 24-hour online customer service, and if you have any questions, please feel free to contact us. Button control: The headset has a multi-function control button to answer/end calls, play/pause music. In-ear design, comfortable fit, you can enjoy every detail of music. Ergonomic Design and in-Ear Built: This in-ear earphone has 3 different sizes of ear tips (S/M/L), which can better fit the ear canal, and the in-ear design can effectively block out the external noise, allowing you to enjoy the music world. 9D Stereo and Deep Bass: This earphone uses a 10mm large dynamic driver to bring you a more realistic sound field, strong bass and clear high frequency, so that you can feel the shock of the concert while listening. The latest Type-C stereo headset: This headset supports Type-C port USB-C headphones, which is more convenient to use, and the audio cable is upgraded to PVC reinforced weaving process, which has better toughness and is not easy to break.