Charging wire with AirPods pro is different

What does this mean exactly? I bought my son the air pros for Christmas and he isn't sure if he will need a new adapter. He has an iphone X. How do you know what wattage your adapter has?

Hello canuhelp,

Welcome to Apple Support Communities! I see that you're wondering if you'll need a different power adapter to charge your AirPods Pro. I would be happy to help provide more information.

AirPods Pro do come with a Lightning to USB-C Cable for charging, as mentioned under the "In the Box" section here:

AirPods Pro - Technical Specifications - Apple

You can charge your AirPods Pro with this cable using one of the following methods:

USB-C to Lightning Cable (1 m) - Apple

"Connect your iPhone, iPad, or iPod with Lightning connector to your USB-C or Thunderbolt 3 (USB-C) enabled Mac and iPad Pro for syncing and charging.

You can also use this cable with your Apple 29W, 30W, 61W, or 87W USB-C Power Adapter to charge your iOS device, and even take advantage of the fast-charging feature on select iPhone and iPad Pro models."

The Wireless Charging Case that comes with AirPods Pro is also compatible with Qi-certified chargers and a Lightning to USB cable, if you prefer to charge the AirPods using another method:

Connect and use your AirPods and AirPods Pro - Apple Support

Lightning to USB Cable (1 m) - Apple

Cheers!