Headset/Intercom - Bluetooth 10R Low-Profile Bluetooth® Headset & Intercom Lightweight and ultra slim design for nearly any size helmet Bluetooth® specification v4.1 Bluetooth Intercom up to 900 meters (980 yards) in open terrain Four-way conference intercom Also uses the Universal Intercom™ to communicate with all Sena and non-Sena Bluetooth® headsets on the market Voice Prompts Bluetooth stereo headset by A2DP Bluetooth music playback control by AVRCP: play, pause, track forward and track back Sufficient sound level with integrated audio booster Bluetooth hands-free for Bluetooth mobile phones Bluetooth headset or stereo headset for Bluetooth GPS navigation Water-resistant for use in inclement weather Advanced Noise Control™ Music sharing allows talk or share playlists with the four-way intercom function Up to 10 hours talk time, seven days stand-by time Can be used while charging on road trips Individual volume control for each audio source Firmware upgradeable 10S Smartphone app makes configuration a snap – change settings, set groups of intercom friends and access a Quick Guide; pair up to two mobile phones for convenient hands-free calling 2- Speakers 2- Foam speaker covers 4- Speaker pads 1- Wired boom microphone 1- Wired microphone