【Used by Hakone Ekiden Runners】 Running Smartphone Armband "Fits Without Slipping" Smartphone Case Pouch Arm Phone Holder (Standard Size) Purchase Price: ¥1,980 I bought this, but I barely used it and kept it stored at home. Therefore, it's almost new and unused. Perfect for your running companion! The following is an explanation from the internet: Compatible Devices: Smartphones Recommended Uses: Jogging, Running Brand: TAYOTTE Features: Screen Protector, Scratch Resistant, Adjustable Band, Lightweight, Sweatproof Form Factor: Pouch Product Dimensions: 15.5 length x 7.5 width x 1.1 height cm ✅【⭐Run Like Yourself⭐】Fits arm circumferences from 19~37cm. This armband fits everyone. The Velcro even attaches to the pocket area, so you can wrap it tightly. Provides a comfortable running experience with a secure fit! ✅【⭐Compatible Smartphone Sizes⭐】 *Compatible with iPhone 17/16/15/14/13/12/11 Android AQUOS/Galaxy/Google Pixel/Xperia, etc. ✅【⭐Even if You Sweat, It's Okay⭐】The part that touches the arm has a special uneven structure that allows sweat to escape through the gaps. It can be washed or hand-washed after use, so you can always keep it clean. ✅【⭐Instant Access to Your Smartphone⭐】The carefully selected high-quality clear film allows for smooth touch and facial recognition. Easily change music or answer calls. Make running easier and more enjoyable with this band. #RunningGear #RunningArmband #SmartphoneCase #MarathonGear