Ewarmer 2200mAh Powerbank for Bluetooth Earbuds (2 Packages), Portable Charger with USB Output, Portable Power Bank ,Battery Charger for iPhone 7/7 plus/6s/6s plus/ Samsung
Works well for my bluetooth headset but not recommended to try to charge anything larger. Work great and charge my headset quickly. They are a convenient size to carry around in your pocket, purse or backpack.