The Authentic Cozyvape Mouse is a designed refillable pod system, which is quite simple to use for its no-button design. When you inhale, it automatically initiates. The cartridge is compatible with eliquid and nicotine sale, and has excellent taste. The screen will show the puffs after you inhale. It comes with a 380mAh inbuilt battery.CALIFORNIA PROPOSITION 65 - Warning: This product contains nicotine, a chemical known to the state of California to cause birth defects or other reproductive harm. Read our terms and conditions page before purchasing our products. USE ALL PRODUCTS ON THIS SITE AT YOUR OWN RISK!