VCAN Blinc 210 Full Modular Helmet with Aviator Graphics (Flat Black, X-Large) Lightweight and comfortable modular helmet with ABS thermoplastic shell and metal latch mechanism for increased safety Bluetooth 2.0 enabled for cell phone and iPhone use, music streaming and clear GPS direction through dual speakers 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 Retractable sun visor included