ESR Running Belt, Waist Pack Adjustable Stretchy Zipped Pack with Headphone Port, Fits Most Phones, for Workout, Cycling, Travelling Size:medium Runs on a simple 5V

Runs on a simple 5V 2A USB connection — plug into a port or adapter

Pop them into any power point where you want to hear the bell

no extra power supply required for connection

Waterproof

color:#151820

ESR Running Belt, Waist Pack Adjustable Stretchy Zipped Pack with Headphone Port, Fits Most Phones, for Workout, Cycling, Travelling Size:medium Runs on a simple 5VLarge Zippered Pocket with Headphone Port : Two expandable zippered pockets for all essential items including keys, earphones, cash, ID, credit cards, and a smartphone up to 5. 8(iPhone 12 12Pro 12 Pro Max 12 Mini iPhone 11 11Pro 11 Pro Max XS Xs Max XR X, Samsung Galaxy S20 S20+ S10 S10+ S10e edge). NOTE: Phones with very thick cases are not recommended for use with this belt. Key Features Adjustable Long Lasting Velcro Strap: Easy to wear, remove,