The enhanced Android OS is optimized to support integration between the color and monochrome displays while preserving battery life. (phandroid.com)
Connecting a cable automatically shuts down the paired Bluetooth connection, which is ideal for preserving battery life. (pcmag.com)
Front and centre is a 1.19 - inch OLED display with 390 x 390 resolution and an ambient light sensor to help preserve battery life when the watch isn't being used. (pocket-lint.com)