BONE Bike Phone Charger Kit Plus, Adjustable Strap with Power Bank Mount, Scratch-Free Silicone Strap for Water Bottle & Speaker, Quick Setup Holder for Most Portable Chargers
✅【Portable Charger Strap Evolution Version】 In the new version, you can also secure a smartphone mobile battery. It can hold mobile batteries with a circumference of 13-18cm, allowing you to attach a mobile battery to bicycles, strollers, golf carts, etc. You can charge your smartphone or speaker while on long rides or shopping without worrying about running out of battery! ※ This product does not include a mobile battery.