The problem with today gadget is that they are still heavy in terms of thickness and over all weight. Most of the smartphones sold today are of around 150 grams, I think the right weight should less than 100 grams and these devices shouldn't be more than 6 mm in thickness. Apple In the second half of 2015, the Apple Watch 2 was anticipated for the March 21 launch or April debut but it looks like that it will be delayed, definitely coming in 2016 only. Brian White, an analyst of Wall Street firm, in his research notes said about Apple Watch and iPhone launching in 2016.
He says that iPhone 7 Plus will be featuring a dual camera just like what we have found on newly launched Huawei P9. It will go on for mass production in July and will be officially announced with iPhone 7 during fall.
Further commenting on Apple Watch successor, it will be 20% to 40% thinner than its predecessor and will be launched at WWDC, the Apple's annual developer conference event.