No 4 Pebble

The Pebble is a smartwatch that comes with an activity tracker. Developed by Pebble Technology Corporation, the Pebble was released in 2013.

The watch features a black and white e-paper display, a vibrating motor, a magnetometer, ambient light sensors, and an accelerometer, enabling its use as an activity tracker. The Pebble is compatible with Android and iOS devices.

It is sold at $149. The Pebble has the same retail price as the Nike FuelBand.

Eric Migicovsky, CEO of Pebble, displays his company's smartwatch in Palo Alto, California, Feb 12, 2013. [Photo /IC]