Square Handheld combines 6.2-inch display, 16MP camera, and tap-to-pay in one compact POS device. ... Your credit card’s 15- or 16-digit number helps authenticate transactions.

Learn how to use Square to process credit cards with our simple guide. ... Dual-display all-on-one checkout station ideal for retail stores and walk-up foodservice counter sales; ...

It’s true that Samsung started off with a square display on the Galaxy Gear. But starting with the Gear S2, Samsung went all in on a circular display — so much so that when I think of Samsung ...