Product DescriptionDo you wanna have a personality cool Bluetooth Motorcycle Helmet? This is a good choice.Full face motorcycle helmet awaits the fearless rider adventure, What are you waiting for? Helmet Feature:» Lightweight ABS shell with comfortable heavily cushioned interior» Tough high elastic front visor for great impact resistance» Streamlined aerodynamic design - reduces wind noise and drag» Removable and washable cheek pads for easy cleaning» The helmet is equipped with a freely switchable sunshade inner lens that can quickly respond to strong sunlight or instant brightness changes in tunnels. Specification:» Material: ABS+High-density EPS buffer layer» Lining: fully detachable, breathable and waterproof inner lining» Weight: 1400±50g» Applicable gender: unisex» Applicable age: adult» Helmet Size:XS 53-54cm/20.87-21.26inS 55-56cm/21.65-22.05inM 57-58cm/22.44-22.83inL 59-60cm/23.23-23.62inXL 61-62cm/24.02-24.41in Attention: In order to ensure that the size you choose can better fit your head circumference object, please measure your head circumference according to the measurement method on our picture, thank you! Package Included:1 x Bluetooth Helmet Note:1.Please allow 1-3cm 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!