FreedConn KY-Pro Motocycle Helmet Waterproof and Wireless Bluetooth Headset /FM Radio/1000M Intercom/6 Riders Intercom/ Moto Biking & Skiiing/ Universal Pairing with most of other brands bluetooths Youth Motocross Helmet (2) Take measurement two to

(2) Take measurement two to three times to pick the largest one

Advance Dual Sports and Dual Visor Design (Inner Smoked Visor and Outer Clear Shield)

Outside harden case cover maintain stylish shape and unshrinking space

Size (Inch)                      Suitable Height                   Chest                                                        S                                      28 Inch                           44 Inch

Manufacturer Part Number: HM-Martian

FreedConn KY-Pro Motocycle Helmet Waterproof and Wireless Bluetooth Headset /FM Radio/1000M Intercom/6 Riders Intercom/ Moto Biking & Skiiing/ Universal Pairing with most of other brands bluetooths Youth Motocross Helmet (2) Take measurement two toDescription This wireless communication system universal pairs with most of the other brand motorcycle bluetooth unit; support 6 riders group intercom within 1000 meters; IP65 Waterproof Design; Bluetooth 4. 1 technology provide more efficient and convenient communications while riding; Features 6 people intercom: Bluetooth 5. 0 connectivity ranged in 1000 meters; listen to and share music from phone, pad and phone calls with speed dialing; Advanced