Vivo will launch the X300s in China on March 30, featuring the MediaTek Dimensity 9500 chipset and a 7,100mAh battery. The device includes a 6.78-inch 144Hz display, a 200-megapixel main camera with Zeiss tuning, and the V3+ imaging chip. It supports 90W wired charging and carries an IP68/IP69 rating for enhanced durability against water and dust.