Apple's AirPods do use Bluetooth and they don't require an iPhone 7 - Vox

You can use another iOS 10 device, a Mac, or, heaven forbid, non-Apple devices too.

iPhone 5s - Wikipedia

AirPods made in India closer to reality, as enclosure manufacturing begins : r/apple

Best Bluetooth Wireless Headphones for the iPhone 7 at Any Price - Thrillist

The 15 best AirPods and AirPods Pro tips and tricks

AirPods Not Connecting? Try These 8 Easy Fixes

Apple AirPods 1. Gen Review

Change settings for AirPods Pro (all generations) - Apple Support

iPhone 7 Launch: Apple's New AirPods Said to Use Custom 'Bluetooth-Like' Technology

Apple AirPods: 7 wireless bluetooth headphones to buy that won't cost you £159

Use AirPods and other Bluetooth accessories with Apple Watch - Apple Support

Best Bluetooth headphones to use with your iPhone 7