KUQIBAO K21S Motorcycle Riding Helmet Dual Intercom Bluetooth Headset With Lights(Hard Microphone)1. Support two person intercom, riding more convenient 2. Colorful ambient lighting effects, the host can freely switch between the three light colors, but also three colors can be superimposed 3. IPX6 depth waterproof, prolong service life 4. Bluetooth chip 5. 3, low power consumption, stable connection 5. Short press the voice button, wake up AI voice assistant 6. Composite diaphragm, greatly restore the essence of music 7. Automatically answer the