【Support 2-10 People Simultaneous Intercom】The FX motorcycle helmet Bluetooth headset adopts a new 3 cores processor Bluetooth 5.0, the system super stable, and achieves high speed, low delay and low distortion. Supports group intercom of 2-10 people. The motorcycle intercom maximum communication distance of the group is about 4921ft, the maximum effective communication distance between 2 motorcycles is about 1312ft. Both can talk with clear sound (Note: provided there are no obstacles ).【Super Long Standby & IP67 Waterproof】①The helmet communication system built-in 1100mAh high-capacity battery, the continuous talking time up to 30 hours, the music playing time up to 25 hours, and the standby time up to 300 hours. The intercomunicador para casco de moto with type C charging port, it can be fully charged in as little as 2 hours. ②The main body of the FX Bluetooth for motorcycle helmets is IP67 standard waterproof level, so don’t worry about sudden rain while driving.【Dual Noise Reduction & Intelligent Voice】①Using CVC and DSC dual noise reduction technology, effectively block background noise and capture clear voice at a speed of 80KM/h, making your intercom like face-to-face communication. ②The voice assistant function of the phone can be activated through the helmet intercom, free your hands and ensure driving safety (Brand Exclusive Technology). You can also use functions such as FM radio, GPS navigation, etc. via Bluetooth connection to your phone.【Super Thin & Cool & Safer Design】 ① With design concept of ultra-thinness, a blade-shape body is applied to produce exquisite details. The body weighs only 47g, and the thickness of the host is only 20mm. creating a Bluetooth headset that is lighter and thinner than average for you. ②Independent flowing-water lamp design, colorful lamplight can be on and off as re-quired, making you stand out while cycling in the daytime, and keeping your cycling at night fascinating and more secure.【Compatibility & Music Share】①The universal headset multiple riders compatible with 99.9% of Bluetooth devices, including other brands of helmet Bluetooth headset. And 1 Interphone can connect 2 phones at the same time. ②Support 2 intercoms to share music within 33-164 feet, allowing you to enjoy music with partner during the riding. Note: The Wireless group moto headset kit comes with 2 in 1 (soft/hard) microphone, suitable for most helmet types, such as full face, half face, 3/4 face, etc. Technical Parameters Bluetooth version: 5.0+EDR Frequency: 2.4GHZ Weight: 47g Size: 84mmx40mmx20mm Standby time: 1 month Intercom time: 30 hours Mobile phone calls: 25 hours Travel charger adapter: DC 5V 1A Battery Type: Rechargeable Lithium Polymer Battery Battery material: lithium ion polymer Battery model: 802060 Capacity: 1100mAh Voltage: 3.7V Power: 4.07WH