Universal Head Strap +Phone Holder +Motorcycle Biking Racing Arm Mount for Gopro & Phone iPhone 7 7 plus 6 5 4 SE HUAWEI HTC Samsung s8

"Specification: Color: Black Material: ABS(Acrylonitrile Butadiene Styrene plastic) + Rubber Adjustable width: 56-88mm Holder size: 70x50mm "