Motorcycle Headset Intercom - The intercom system helps you communicate effectively and easily with high speed up to 100-120km/h, max distance 800m-1000m, 3 pairable riders and 2 other intercoms at the same time. Professional and Powerful Function - when driving, you can make or receive hands-free calls, listen to stereo music, FM radio or use GPS navigation. All functions can be switched freely. Also provide 2.5mm audio jack as wired connection, so you can connect BT-S2 to mobile phone, tablet PC, GPS or other devices to transfer the music/voice in listening Water Resistance and Noise Cancellation - Excellent waterproof design, even if it rains or snows, it will not affect the use, you do not have to worry about the weather. DSP echo cancellation and noise suppression technology ensures clear voice quality at high speed. Easy to Install and Use - it works with any full face helmet and most half face helmets . BTS2 helmet can be installed with clip or sticker. Large buttons that are easy to use even when wearing gloves. Number of shipments: 1 pcs