This fully functional 4G device is the size of a credit card, offering serious portability that actually fits in your pocket.

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. This miniaturized smartphone can do ...

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. Honey I shrunk my cell phone — this ...

Want a small phone with a price tag to match? This Mini 4G dual-SIM smartphone is fully functional but actually fits in your pocket. This little phone is about the size of a credit card, but comes ...

Mobile credit card payment processing apps for Android include PayPal, Square, SumUp, QuickBooks and Shopify, offering varied ...

Digital wallets might include Apple Pay, Google Pay, Samsung Pay, Fitbit Pay and Garmin Pay, for example. This way you can ...