R and M Tornado 7000 Vape: 14mL of e-liquid with 5% nicotine concentration, Air Flow Control, and 1000mAh battery capacity, offering up to 7000 puffs per device. Rechargeable with Micro USB Charger & Mesh Coil Technology. For optimal performance, let the device sit for 2 minutes after filling the ejuice for the first time. 20 delicious flavors to choose from, incl. Tangerine Ice, Pink Lemonade, and Gummy Bear. Each device allows for approximately 7000 puffs. Safe to use if employed within limits, and rechargeable for prolonged e-liquid capacity and puff count.