The OXVA Xlim SE Bonus Kit is an extension of the XLIM series equipped with a 900mAh internal battery,5-25W power output & 2ML XLIM V2 cartridge capacity it allows to adjust the airflow on the side to enjoy the best vaping according to preference. The upgraded cartridge is likely to continue the line of X-TREME FLAVOR & STRONG THROAT HIT and offer you more vaping styles in both RDTL and MTL.