MAYIMTEL 21000 mAh 18 W Compact Pocket Size Power Bank  (Blue, Lithium-ion, Fast Charging for Mobile, Earbuds, Smartband, Smartwatch, Tablet, Speaker)

Compact and Portable Design: Designed with portability in mind, this ultra-compact power bank is perfect for on-the-go use. Its sleek and lightweight design allows you to carry it anywhere, ensuring you never run out of battery power while traveling, working, or exploring. Universal Compatibility and Smart Adaptive IC: This power bank is universally compatible with a wide range of devices, including smartphones, tablets, Bluetooth headphones, and more. The smart adaptive IC technology provides 12 layers of circuit protection, safeguarding your devices against overcharging, overheating, and short circuits.