Internal size reference:
size: 4.5&x27;&x27;-5.1&x27;&x27; 145mmX75mmX13mm
size: 5.2&x27;&x27;-5.7&x27;&x27; 163mmX85mmX13mm
size: 6 &x27;&x27;- 6.5 &x27;&x27; 170mmX95mmX13mm
1. Touch Operation Easy Deployment. You Can Operate Without Taking Out The Phone.
2. With key hole and earphone hole.
3. 2 Adjustment holes. It can be firmly tied to the arm
4. Waterproof and Sweat -resistant. It can effectively prevent water from entering.
5. Reflective effect and Night running, keeps you running safely at night.