Feature: 1. Aerodynamic and rugged thermoplastic outer shell design. 2. Adjustable top and chin ventilation for rider comfort. 3. Features built-in bluetooth, water resistant controls. 4. Listen to music streaming via your compatible cell phone, as well as other bluetooth compatible devices. 5. Rider to rider/passenger intercom with additional compatible helmets. 6. Removable/washable comfort liner. 7. Perfect for sport, cruiser, racing & street bikes. Specification: Type: Helmets With Intercom. Material: ABS. Gender: Unisex. Helmet Style: Flip Up Helmet. Size: M(57-58CM),L(59-60CM),XL(61-62CM), XXL(63-64CM) Head. Color: Black/ White/ Gloss Black/ Carbon/ Carbon+blue/ Carbon+Red. Battery: 1200mAh. Note: 1. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Included: 1 x Motorcycle Helmet