Designed with stellar features, this Vivo S1 Pro smartphone is a winning combination of sleek design and utility. Its long-lasting and powerful battery helps you to enjoy the device anywhere and anytime. With an internal storage of 128 GB and 8 GB RAM, you can do a lot more than just calling from this device. Equipped with a powerful Qualcomm Snapdragon 665 octa core processor, it will let you multitask easily.