GDM DEMON Motorcycle Helmet + GDM HYPERSONIC Bluetooth Intercom Headset bundle Is DOT FMVSS-218 Certified. The Bluetooth Motorcycle Helmet's Aerodynamic Shell Design is Constructed Using Advanced Lightweight Composite Poly-Alloy Shell, and Features Interchangeable Shields, Removable & Washable Liner and Cheek Pads. It Maximizes Safety and Comfort, While Riding on The Road, Street, Or Highway.

GDM HyperSonic's Bluetooth 5.0 Technology Offers Riders Single Button Control for Hands-Free Calling, Answering, Rejecting Incoming Phone Calls, Listening to Music (Play/Pause, Previous/ Next Track), and GPS Navigation Audio. With Built-In Stereo Speakers and Wind Resistant Noise-Canceling Microphone, It Allows Bikers to Conduct Calls or Listening to Music or Voice Command Clearly.

GDM Full Face Intercom Bluetooth Helmet with Fully Charged Battery Provides 12 Hours of Talk Time And 120 Hours of Standby. Intercom will function With another GDM HyperSonic unit and It's Weather proof and Features Premium HiFi stereo speakers for clear sound quality. Double D-ring chin strap with removable & washable liner and cheek pads - Aerodynamic shell design constructed using advanced lightweight composite poly-alloy

Package Contains 1 GDM DEMON Full Face Motorcycle Helmet, 1 GDM HYPERSONIC Bluetooth Communication System with Intercom, 2 Shields, USB Charging Cable, GDM Helmet Bag, And User Manual. ***Bluetooth Module NOT pre-Installed***

Please Refer to The Following Size Guide to Determine Your Correct Size. To Choose Your Correct Helmet Size, Please Measure the Circumference of Your Head 1" Above Your Eyebrows Around Your Head and Refer to The GDM Helmets Size Guide. Please Note That the Size Guide Is for Reference Only and Cannot Guarantee Perfect Fit. S 21 5/8 – 22 IN | M 22 ½ -- 22 7/8 IN | L 23 1/4 -- 23 5/8 IN | XL 24 -- 24 3/8 IN | 2XL 24 3/4 -- 25 ¼ IN