Apple's big event: Here's what to expect

Apple (AAPL, Tech30) is widely expected to unveil a pair of larger iPhones measuring 4.7 inches and 5.5 inches, up from four inches on the iPhone 5S. The company may also unveil a smartwatch, its first entry into the nascent wearable devices sector, and a mobile payments system that works with the new iPhones, CNNMoney reports.

After months of anticipation, the tech industry event of 2014 is upon us: Apple's product launch day. The tech giant has said almost nothing publicly about what's in store Tuesday, but industry observers have some ideas.

Apple (AAPL, Tech30) is widely expected to unveil a pair of larger iPhones measuring 4.7 inches and 5.5 inches, up from four inches on the iPhone 5S. The company may also unveil a smartwatch, its first entry into the nascent wearable devices sector, and a mobile payments system that works with the new iPhones.vNEW YORK (CNNMoney) After months of anticipation, the tech industry event of 2014 is upon us: Apple's product launch day. The tech giant has said almost nothing publicly about what's in store Tuesday, but industry observers have some ideas.

Apple (AAPL, Tech30) is widely expected to unveil a pair of larger iPhones measuring 4.7 inches and 5.5 inches, up from four inches on the iPhone 5S. The company may also unveil a smartwatch, its first entry into the nascent wearable devices sector, and a mobile payments system that works with the new iPhones.