eSIM data cards covering 200+ countries. No physical SIM needed, scan to install, 5G/LTE high-speed network, starting from $4.
Choose your travel destination
Simple, fast, and secure global internet solution
No waiting, eSIM QR code generated in seconds after purchase
No registration needed, USDT crypto payment, fully anonymous
200+ countries and regions, one platform for all your needs
Scan QR code or click link, install in 90 seconds
90% cheaper than carrier roaming, less than $1/day
Some plans support data top-up without reinstalling
Simple steps to stay connected worldwide
Browse 200+ countries and select the data plan for your trip
Pay with USDT for fast and secure checkout
Scan the eSIM QR code to install, auto-connect at destination
eSIM is a downloadable digital SIM card that lets you connect to mobile networks without a physical card.
With OO-eSIM, you can purchase prepaid data plans for 200+ countries and install the eSIM on your phone in seconds. No SIM swap, no store visits, no expensive roaming fees. Just scan a QR code and enjoy high-speed local network.
Scan to Install
No Physical SIM Needed
Feedback from travelers around the world
"Used it on my Japan trip, super fast speeds with no disconnections. Installation took just one minute!"
"So much cheaper than carrier roaming! Used to pay $20/day, now it's just a few dollars per week."
"Love that no registration is needed. USDT payment was fast. Landed in Thailand and it worked immediately."
Explore articles about travel, technology, eSIM and more
Learn more about using eSIM prepaid data
Our team is always here to support you
Contact Support
