eSiM is your go-to electronic roaming SIM card from TravelSiM, designed to replace traditional plastic SIM cards. It operates alongside your existing physical SIM as a second plan on your smartphone, providing seamless connectivity while traveling. With eSiM, you can easily add balance using a VISA or MasterCard directly on the website. Whether you're exploring Asia or beyond, eSiM offers competitive rates tailored for travelers. Stay connected effortlessly and enjoy the convenience of digital roaming with eSiM.