The Apple Watch just launched. It will be available in two sizes: 38 mm and 42 mm (height). Comes in either steel, aluminum, or gold. Three versions: Watch, Watch Sport, Watch Edition. Multiple strap options: leather, quilted leather, elastic, metal, and metal mesh. All straps feature quick release. +/- 50-millisecond accuracy. Built-in Siri. Digital crown with infrared sensors. Taptic engine inside. In-house S1 computer chip. Touch + Force sensor. The starting price will be $349. Available early 2015.

For more, visit Apple.