Key Features: Upgraded liquid capacity with up to 2500 puffs of delicious flavour; Easy to use with no recharging required; High quality build with consistent performance;Ergonomic and compact form factor with anti-slip grip finish; More value for those who can't get enough of Envi! Device Specifications:  Puffs: Up to 2500; Battery: 1100 mAh; Liquid Volume: 6 mL; Package Content: 6 x ENVI Apex Disposables