[Slim Design for Heated Clothing] Compatible with USB 5V/2A heated clothing, UN3480 Grade A battery cell to provide stable reliable power. Unlike block battery packs, the V502 is slim and unnoticeable in your pocket. The high-quality cell gives 2-3x more rechargeable cycles than others. [Power when you need it] The Vida IT V506 portable battery pack is ideal when you need that recharge on the go. Its slim and lightweight design makes it ideal for travel or general use. Easily fits inside your pocket or bag. [The thinnest portable charger] Easily one of the most slender USB chargers on the market, this battery pack is super easy to store, you'll barely notice it in your pocket. [Cells that last longer] At Vida IT we use high-quality grade A lithium cells UN 38.3. What does that mean? It means that our power banks last far longer after multiple recharge cycles and retain their capacity into the future. [Works with every USB/USB-C] This V506 portable phone charger works with a