"XP-PEN SG" appears to be a legitimate online store that sells XP-PEN products. The XP-PEN Artist Pro 14 (Gen 2) and XP-PEN Artist Pro 16 (Gen 2) have been reviewed by TechRadar and Windows Central respectively, with both reviews highlighting the products' features and performance. The reviews mention that these products offer good value for their price, despite some minor issues. However, it's always recommended to do thorough research and check multiple sources before making a purchase.