1000M Maximum Distance: S-8X motorcycle helmet intercom kit allows two riders to have conversations in real time within up to 1000m. Share adventuring happiness with your buddies in riding, motorcycle travel, skiing, parachute, etc. | Wireless Connection & Smooth Control: S-8X motorcycle intercom headset with wireless tech 5.0 supports hands-free calls, hangup, reject call, streaming music, built with a knob for easily playing music, adjusting volume and select FM radio channels. | Crystal-Clear Sound Quality: This helmet headset intercom uses high sound quality full-range membrane monomer. S-8X built in CSR's CVC tech achieve up to 30DB noise control via high-power & high-definition headphone and pro wind-noise-proof mic. Focus on echo generated on call to suppress reverberation noise, effectively reduce background noise. | Usable On Charge, No Compromise on Road Trip: Motorcycle helmet intercom system is 650mah battery capacity, after actual use, it will takes 10 hours stream music/talking to teammates before running out of battery, approximately 200 songs. You'll like the portability since you can charge motorcycle intercom with power bank while use. If you're planing a road trip, you should know how that important, you needn't compromise on the go to stop and charge the motorcycle headset pair. | Noise Reduction & Waterproof: Since the microphone of S-8X motorcycle bluetooth headset has a CSR chip, ambient noise such as wind noise and engine noise are not annoying. The voice quality is not affected even at high speeds. Moreover, it is waterproof and dustproof, can be used in any weather conditions.