Schuberth SRCS System For S2 Helmets Fully integrated communication set for Schuberth S2 helmets. The new SRC-System is a communication system integrated into the acoustic collar. Following the plug play principle, it is inserted into your helmet within minutes. Its wide range of functions includes Wireless conferencing between up to 3 riders/passenger Rider-to-passenger intercom Receive wireless MP3 stereo music (A2DP) or from cable connected MP3 players VOX technology for voice-controlled receiving and rejecting of incoming cellular or intercom calls Bike-to-bike intercom (up to 300m) 3-Biker conference call Mobile phone-, MP3-, GPS-connectivity Built-in FM radio with RDS Unprecedented communication Intercom conference mode between up to 3 bikers Mobile phone functions Receive or reject incoming calls by voice command Initiate calls by one-button push and voice command Receive in the ear GPS navigation voice instructions Built-in FM Radio with RDS Up to 6 user-defined stations RDS functionality automatic self-adjustment for best radio station frequency Radio on time up to 8 hours Receive wireless MP3 stereo music (A2DP) or from cable connected MP3 players Multiple Device Connectivity (MDC) offers intercom conference with two other SRC-System users and with one additional Bluetooth device GPS, Mobile Phone (directly or via GPS), A2DP enabled MP3 Player or Adapter. Headset also switches between its built-in FM radio and your cable connected external MP3 player. AGC technology automatically self-adjusts speaker volume according to driving speed and ambient noise level VOX technology for voice-controlled receiving and rejecting of incoming mobile or intercom calls Firmware update ready (USB cable for PC included) DSP technology for advanced functionality Dual ultra-slim speakers for tight helmets High quality audio at highway speeds Up to 10 hrs. talk-time / 1 week stand-by (recharging from any regular outlet) Requires Windows XP or Vista based PC