Enjoy high-fidelity stereo acoustic sound with the Hakkain Bluetooth wireless headphones. Its CVC noise cancellation technology and clear integrated microphone reduce ambient noise and echo, allowing for clear sound both on calls and when listening to music. In addition, its ergonomic design and IPX6 water resistance make them ideal for any sports activity. With its portable charging case, you can enjoy up to 20 hours of playback on a single charge.