Unlike the SONY SmartWatch and i’m Watch, Pebble SmartWatch use the E Ink display, it make the best balances between functionality and power drain to date.
Pebble SmartWatch use a 144 x 168 E Ink display, rather than the OLED and LCD screens seen on other smartwatches. It connects to iOS or Android device over Bluetooth 2.1, has a vibrating motor for alerts, and can load apps through a dedicated Pebble app store.
