VCAN Blinc 136 Full Face Helmet with Dark Angel Graphics (Flat Black, X-Small) Bluetooth 2.0 enabled for iPhone or standard cell phone use, music streaming and clear GPS direction Combine 2 helmets for intercom (rider to passenger and passenger to rider) and 2-Way communication (bike to bike up to 10 meters) DOT approved Rechargeable lithium ion battery gives 30 hours of continuous talk time and up to 600 hours on standby with full recharge in just 6 hours with provided charger Has a flow through ventilation system, anti-scratch visor and removable/washable liner