Mouse Computer Co Ltd has released several windows 10 models including MS-NH1-W10 in Japan. Prices start at ¥ 23,500 which is about 188 dollars. It has specifications of a typical cheap mini laptop or tablet running Windows.
Mouse MS-NH1-W10 specifications include Intel Atom Z3735F quad core 1.33 GHz processor, Intel HD GPU, 32GB eMMC storage, 2GB RAM along with microSD card slot, IEEE 802.11b / g / n wireless LAN, Bluetooth 4.0 + LE, USB 2.0, Micro USB (power supply only) and HDMI port. There is another model that has 64GB eMMC storage. This model is white in color while 32GB model is black. Check Atom Z3735F benchmark review.
Size is 100 × 38 × 9.8mm (width × depth × height) and weighs about 44 grams. This makes it perfect for TV home theater use; as mini PC and multimedia center.