Innokin Cool Fire Pebble is a tiny yet powerful vaping device. It is packed with 50 watts of precise output with a stylish and compact size. The CoolFire Pebble has an internal 1300mah battery can be Micro-USB fast charged. The 2ml Slipstream Tank works well with Cool Fire Pebble Box MOD. You can buy the whole kit, box mod or tank separately.