The MIGI PRO 510 Cartridge Oil Vape pen battery comes ready to add your cartridge and go. This Micro design is the ultimate conceal 510 battery. But there is more ! The MIGI PRO has a battery power meter, 3 choice heat settings and magnetic connector and MIGI PRO will tell you if your cart is bad. The colors look amazing and totally cool. It's available in Black and Gray, and Red. Rock your MIGI and have a blast! *TANK SOLD SEPARATELY WORKS WITH ALL CART TANKS