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

Feature:
1.It can stretch to both sides and prevent falling out.The maximum tensile width can reach 88mm
2.Aniti-skid design back of the strap， hold your phone more firmly
3.With this head strap phone holder， you can capture the on-the-go action easily
4.Adjustable head strap， meeting different people’ requirement
5.Powerful applicability， suitable for most of cellphone within 6’’
6.Lightweight and compact size， easy to carry

Package included:
1 x Elastic Adjustable Head Strap Mount
1 x Helmet Extension Arm
1 x Phone Holder
1 x Mini Adapter
2 x Screw
(not include other things)