Compact Powerhouse with Strong Magnetism Tired of bulky chargers that fail to deliver? The MIRO B4 Power Bank is your ultimate solution. Boasting a 5000mAh battery capacity and 15W wireless output, it offers fast charging for your urgent power needs. Its compact size hides powerful performance, ensuring your devices never run out of juice, whether youre on a busy commute or a relaxing getaway. Magnetic Wireless Charging - Seamless & Convenient Experience the future of charging with the built - in strong magnetic module. It aligns perfectly with your devices, allowing you to stream videos or make video calls hassle - free while charging. Say goodbye to messy cables and enjoy seamless alignment and fast wireless charging every single time.