Martian Motocycle Helmet Wireless Waterproof Bluetooth Headset BlueT-S2 /2 Riders Intercom/1000M Intercom/FM Radio/Moto Biking & Skiiing/2 in 1 Microphone/ Kids MX Bundle 5 Inch XS 45 Inch

5 Inch                                                      XS                                    45 Inch                        29 Inch                                                        S                                      47 Inch                        29

Expansion zipper gives more capacity

High visiability reflective lining

Thick EVA pads provides extra support to thigh and buttock so can't be used by washing machine

Martian Motocycle Helmet Wireless Waterproof Bluetooth Headset BlueT-S2 /2 Riders Intercom/1000M Intercom/FM Radio/Moto Biking & Skiiing/2 in 1 Microphone/ Kids MX Bundle 5 Inch XS 45 InchDescription This wireless communication system support 2 riders group intercom within 1000 meters; IP67 Waterproof Design; Bluetooth 5. 1 technology provide more efficient and convenient communications while riding; Features 2 people intercom: Bluetooth 5. 1 connectivity ranged in 1000 meters; listen to and share music from phone, pad and phone calls with speed dialing; Advanced Waterproof, Dustproof and Sun Protection Design with FM Rideo;