In-ear Type-c Headphones Line Control with Microphone Headphones Subwoofer Headset Automatic magnetic suction design. In order to make the sound quality of the medium and low frequency excellent, the moving coil unit adopts imported PET diaphragm material which is soft and elastic, and interprets the outstanding sound. Three-button in-line control, support for voice calls, and in-line control design that integrates microphones; high fidelity, more convenient communication, and enjoy the joy of music. Slide adjustment: volume +, volume - adjustment. Up and down adjustment: Press twice. switch to the next song; Press three times to switch to the previous song. Size: 12002515mm (including wire length) Scientific in-ear angle, 30-degree ergonomic in-ear angle, with soft and skin-friendly silicone material, give you a comfortable feeling from you to the outside, and wear it all day long.