PlayStation Network card is a confident way to add money into your PS store without using your Credit Card, PSN Cards is dedicated per country so each country have its own PSN card.
Once you add the card amount into your wallet in PS store you will be able to buy games, themes, avatar, PlayStation plus subscription, games Add-ons, watch or rent movies and music, etc…
How to redeem your PSN card code from the manufacturer,
How do I redeem a Sony Entertainment Network Card, PlayStation®Network Card or promotional voucher on my account?
To redeem your code please follow the appropriate instructions for your device below. Please note all codes are case-sensitive and must be entered exactly as provided.
Redeem on www.sonyentertainmentnetwork.com
Browse to https://account.sonyentertainmentnetwork.com and enter your account sign-in ID and passwordClick on the Account tab and then Redeem Prepaid CardFollow the on-screen prompts to redeem your code
Redeem on BRAVIA TVs, Blu-ray Disc™ & Network Media Players and Home Cinema systems
It's not possible to redeem your code directly on these devices so please redeem via any of the other methods shown here
Redeem on Sony Mobile phones or Sony Tablet
Press the menu key and tap on AccountSelect the Account tab and tap on Redeem Prepaid CardFollow the on-screen prompts to redeem your code
Redeem on PS3™ or PSP™
Sign into your account, launch PlayStation®Store and click on the "Redeem Codes" button on the top right of the screenEnter the 12 characters of the code and follow the on-screen prompts to redeem your codeNote; please be sure while buying PSN Card from our store to have the same country you live in.