The Innokin Coolfire Pebble is a compact device that can fire up to 50 watts that can be adjusted to your personal preferences. The Coolfire Pebble features a built-in 1300mAh capacity battery which may be charged via the micro USB port. It features a spring loaded gold plated 510 contact pin with durable stainless steel threads.

Innokin Coolfire Pebble 50w