[ADVANCED BLUETOOTH 5.4 TECHNOLOGY] Experience seamless connectivity with this motorcycle helmet Bluetooth headset, featuring the latest Bluetooth 5.4 chip for stable transmission, reduced latency, and crystal-clear sound quality, ensuring uninterrupted communication and music enjoyment while riding. [SUPERIOR SOUND QUALITY] Dive into the world of music with high-definition speakers that deliver 3D shocking sound effects. The headset boasts a balanced sound across frequencies with crisp mids, robust lows, and no disruptive high-frequency noise, recreating the true essence of each track for an immersive auditory experience. [EXTENDED BATTERY LIFE] Stay connected with a powerful 700mAh lithium battery that charges fully in just 2 hours via a Type-C port. Enjoy up to 12 hours of continuous use and 65 hours of standby, making it your reliable companion for long rides without the hassle of frequent recharges. [INTELLIGENT AI VOICE ASSISTANT] Activate your AI voice assistant with a simple long of button for 3 seconds. This feature allows for hands-free operation, enhancing your riding safety and convenience by enabling voice commands for navigation, calls, and music. [AUTOMATIC CALL MANAGEMENT] your safety on the road with the automatic call answering feature. The headset syncs with your phone's ringtone and answers incoming calls automatically, allowing you to stay focused on the road without needing to manually handle your phone. Color:Black Material:ABS Package Contents: 1 * Headphones 1 * Power cord Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.