I'm selling my Yotaphone 2 received today as I ordered it time ago and in the meanwhile I got a new BlackBerry Passport. The device is perfect, I played it to check the beautiful dual-screen technology and I also updated it to Lollipop. It is The world's first dual-screen always-on smartphone is here! Fully personalizable always-on screen. Hands-free messaging and mail. Reading time up to 100 hours. Full Android functionality on both screens. The smart-phone future. 

Here you can find all the technical specification: https://yotaphone.com/gb-en/#techspec

Available for any test.