The Neptune Duo is an intriguing new product from the start up firm which brought us the phone-in-a-watch Neptune Pine last year.
Where as the Pine got rid of your smartphone completely, the Neptune Duo wants you to keep hold of a larger screen, but it gives all the power to the smartwatch - aka the Neptune Hub.
The quad-core processor and other components are housed in the bracelet style band which includes a speaker and microphone plus 3G, 4G, Wi-Fi, Bluetooth, GPS and NFC connectivity.
You'll have access to all your core smartphone functions on the Hub's curved 2.4-inch display, but if you need more space you can whip out the Pocket Screen (or the Neptune Pocket, to give it its official title) for a full Android Lollipop experience.
The Pocket Screen is thinner, lighter and cheaper than a traditional smartphone, sporting a 5-inch 720p display, front and rear (8MP) cameras and a 2800mAh battery.
Show me the money
The Neptune Duo won't ship until towards the end of the year, but you'll can reserve yours from February 17, with a variety of payment options available to you.
If you don't fancy putting any money down up front the Neptune Duo will set you back $798 at time of shipping. Put down $49 and the price at shipping drops to $649, saving you $100.
You can save $200 by paying $199 upfront and then $399 when it's ready to ship, or if you're feeling flush (and confident in Neptune's claims) put down $498 now and pay nothing more - a saving of $300.