[1000m 2 rider intercom and FM] This motorcycle Bluetooth headset can connect to two mobile phones at the same time. When two people talk, the maximum call distance can reach about 1000m without obstacles. (Please note that the communication distance may vary depending on surrounding obstacles and radio wave environment) Equipped with FM radio function, you can listen to news such as politics and sports while traveling on a motorcycle[Music sharing and Hi-Fi high sound quality] The new Shark helmet Bluetooth headset is equipped with a music sharing function, so you can listen to your favorite music with friends at the same time while traveling or riding. Put on the motorcycle headset and you can enjoy your time alone. Shark has good sound quality and is equipped with a 40mm high-output speaker, which can provide clear and powerful sound even when driving at a speed of 120km/H. You can enjoy high-quality music without worrying about the surrounding sounds[Qualcomm BT dual-chip noise reduction and voice assistant] The Shark motorcycle helmet speaker is equipped with a Qualcomm 5.1 BT chip, which provides powerful stable connection performance and noise reduction function (DSP and CVC dual chip). Compatible with voice assistants, you can activate Siri or Google Assistant by long pressing the function button anytime and anywhere during riding to ensure riding safety. Note: The latest version of Qualcomm chip is 5.2, and all chips above 5.2 are non-Qualcomm chips[Shark-like appearance and interchangeable color strips] Shark motorcycle helmet Bluetooth headset adopts a streamlined bionic shark design, which is windproof, noise-reducing and very cool. It comes with interchangeable three-color stripes, allowing you to customize the appearance, ensuring that it matches any helmet type or color. It is the perfect choice for couples, lovers, and families who want to ride motorcycles together[1000mAh battery and waterproof] This motorcycle headset is equipped with a 1000mAh high-capacity battery, which can support 28 hours of non-stop talk time, 33 hours of music playback, and 550 hours of ultra-long standby time, with only 2 hours of fast charging. It is waterproof and dustproof and can be used in any environment. It is undoubtedly your best companion for long-distance riding