Samsung's official Galaxy LED Wallet Cover can store cards in the interior pocket and show LED notifications on the outside. The front cover LED lights will notify you of incoming calls, messages, current time, and more.

It costs $64.99 at Samsung.

This case provides 360-degree protection, thanks to its rugged design with matte non-slip carbon fibre and brushed metal finish. It also has a tempered glass screen protector.

It costs $39.99 at Olixar.

Samsung's official S-View Cover gives you access to information like calls and texts. It also has a built-in kickstand.

It costs $59.99 at Samsung.

OtterBox's case is for more rugged situations. It has a dual-layer design -- soft inner and hard outer layers -- to absorb and deflect impacts. There are also port covers to block dirt and dust.

It costs $39.95 at OtterBox.

LifeProof focuses on making your Galaxy S9 resistant to drops with its Slam case. The company says it can survive a drop from 2 meters, and you can actually touch your Galaxy S9's screen.

It costs $49.99 at LifeProof.

This two-layer case offers 10-foot drop protection and a lifetime warranty. It has a scratch-resistant design and a raised bezel for added screen protection.

It costs $39.95 at Speck.

This official Samsung accessory turns your Galaxy S9, Galaxy S9 Plus, and Galaxy Note 8 into a CPU to power a monitor, keyboard, and take in an Ethernet connection. Read more about it here.

Pricing and release date hasn't been shared by Samsung yet.

This official Samsung accessory wirelessly charges your Galaxy S9 by setting it down on the stand. The Qi wireless charger has dual-charging coils to "ensure a better charging connection for easy landscape or portrait device orientation."

It costs $69.99 at Samsung.

Another cheap option for Galaxy S9 wireless charging is the Anker Powerport Qi 10W. It features a slim design -- but note that a wall charger isn't included with purchase.

It costs $25 at Amazon.

RAVPower's wireless charger is a cheaper option and offers fast charging thanks to Qi technology.

It costs $44.99 at Amazon.

If you don't already have a car that supports Qi wireless charging, you can add the functionality with Zens' anti-slip wireless car charger. It has a built-in 5200mAh battery or can connect with USB cable in your car. The charger will also automatically shut-down after your device is fully charged. The built-in battery means you can take the charger on the go, if needed.

It costs €49.99 at Zens.

We haven't seen what earbuds will ship with the Galaxy S9 and Galaxy S9 Plus. However, you can still buy Samsung's genuine earbuds for the Galaxy S8 online.

It costs $9.48 at Amazon.

When you are on the move or traveling for work, running out of juice and dead mobile devices can be a hassle. The Anker PowerCore 10000 power bank can be thrown into a bag or suitcase and pulled out when needed to give the Galaxy S9 and Galaxy S9 Plus a boost on the go.

It costs $25.99 at Amazon.

This official Samsung case boasts "reliable" corner and back protection. It's made of non-slip, soft-touch silicone.

It costs $29.99 at Samsung.

This official Samsung case provides the Galaxy S9 a textured back for better grip, alongside "reliable" corner and back protection.

It costs $34.99 at Samsung.

Samsung said its official Alcantara cover is made of lightweight Alcantara material and has corner and back protection.

It costs $49.99 at Samsung.

This official Samsung case provides military-grade design for shock and drop resistance. It also has a kickstand for media viewing.

It costs $39.99 at Samsung.

Zagg's screen protector for the Galaxy S9 claims its full-screen adhesive preserves touch sensitivity and protects against impact.

It costs $49.99 at Zagg.