The iPhone 6s is a previous-generation iPhone that still offers decent performance. It features a 4.7-inch Retina HD display and is powered by the A9 chip. With its 12-megapixel camera, you can capture satisfactory photos and videos. The iPhone 6s also offers 3D Touch for enhanced interaction and is available in different storage capacities. If you're looking for a more affordable iPhone option during the January sales, the iPhone 6s is worth considering.