Bluetooth Motorcycle Helmet Headset with CVC Noise Reduction for Outdoor Sports Travel Riding Communication Features： 1、CVC Noise Reduction: The helmet intercom headset features CVC noise reduction technology, providing clear and stable communication and delivering an audio experience. 2、Versatile Usage: This headset is for various outdoor activities such as extreme sports, parties, and travel, allowing you to enjoy communication and fun anytime, anywhere. 3、800m Intercom Distance: With a communication range of 800 meters, allows for wider communication coverage and stronger penetration, ensuring seamless communication. 4、Bluetooth Connectivity: The intercom headset utilizes Bluetooth technology, enabling wireless connectivity to your devices, making it convenient and hassle free to use. 5、Outdoor Use: Built to withstand outdoor conditions, durable and is designed to be weather resistant, ensuring reliable performance even in rugged environments. Specification： Item Type:?Helmet?Intercom?Headset Material: ABS Channel: Stereo Battery: 850mAh lithium battery (built in) Intercom Distance: Within 800m/2624ft Package List： 1 x Screwdriver 1 x Charging Cable 1 x Mounting Clip 4 x Tape for Earmuff 2 x Screw 1 x Microphone 1 x Instruction Manual 1 x Receiver 2 x Accessory