The Aspire Rover 2 takes compact vaping to a new level with it's fit in your hand size and legendary Nautilus vaping performance. The Rover 2 uses the new exciting NX40 mod, which boasts a huge 2200 mAh battery that delivers up to 40 watts of power. To complete the new Rover 2, Aspire took the legendary Nautilus XS and matched its performance to the NX40 mod. The new Nautilus XS tank system uses the Nautilus X coil with enhanced features such as top airflow adjustment from MTL to restricted DTL, easy to use filling system, and cooling fins next to the mouth tip to reduce heat build up. The Rover 2 is a small, compact design that fits in the palm of your hand, but has the performance of mods twice its size. Rover 2 NX40 Mod: Size: 60.5 * 36 * 24.5 mm Battery Capacity: 2200 mAh Power Range: 1W - 40W Nautilus XS Tank: Diameter: 22 mm Height: 48 mm Capacity: 2 ml Coil Compatibility: Aspire Nautilus X/XS Series Brand: Aspire Unit: 1Set Package: Gift Box Each set contain: 1pc NX 40 Mod 1pc Nautilus XS Tank 1pc Nautilus XS 0.7ohm Mesh Coil 1pc Nautilus XS 1.8ohm U-Tech Coil 1pc O-rings Pack 1pc Type-C Cable 1pc User Manual 1pc Warranty Card Adjustable airflow system is on the top of the Nautilus XS tank; 2 big airflow ports meet different airflow demands, with large diameter knurled adjustment ring for quick and precise adjustments. The Nautilus XS tank can be filled from the top. Simply unscrew the top hardware to refill, convenient and simple. The E-liquid capacity of the Nautilus XS tank can be increased to 4 ml with the Nautilus X expansion glass tube, no need to refill frequently. (Available for non TPD countries) The compact and stealthy Rover 2 NX40 is an ultra-portable yet powerful box mod which can fire up to 40W. The chassis uses zinc alloy material, and the panels use special composite board technology which is used in the cellphone industry. The three-dimensional texture makes the Rover 2 NX40 refined and high-class. The Rover 2 NX40 uses Aspire proprietary ASP chipset which comes with all the safety features that Aspire are famous for.