Stay powered up on the go with the 4000mAh Power Bank from heyday in the eye-catching Digital Wave design. This compact and portable power bank is the perfect companion for your busy lifestyle, providing a reliable source of backup power for your devices. With its 4000mAh capacity, it offers ample charging capacity to keep your smartphone, tablet, or other USB-powered devices juiced up throughout the day. The Digital Wave design adds a stylish touch to your tech accessories, while the lightweight and slim profile make it easy to slip into your bag or pocket. The power bank features a built-in USB port for universal compatibility, allowing you to charge multiple devices simultaneously. Whether you're traveling, working, or simply on the move, the heyday 4000mAh Power Bank ensures you're always prepared with a reliable power source to keep your devices powered and ready for action.