A pebble is a small rock often thrown into ponds or lakes. The Pebble, on the other hand, is a smartwatch fueled by internet-connected apps and unlimited innovation.

The watch will connect to your smartphone (iPhone or Android) via Bluetooth, bringing alerts of incoming calls, emails, and texts to your wrist.

But what type of hardware is responsible for powering the Pebble? These are the tech specs listed:

144 x 168 pixel display black and white e-paper

Bluetooth 2.1+ EDR and 4.0 (Low Energy)

Vibrating motor

3-axis accelerometer with gesture detection