This is the black M401 smart PCC for for e-cigarettes electronic cigarettes. The M401 smart PCC can charge 1 M401 battery and carry M401 atomizers (or 4 M401 cartridges), 2 batteries. The M401 smart PCC can fit both manual and auto M401 batteries. M401 smart PCC Including *Black M401 smart PCC for e-cigarettes 1pc *USB cable 1pc This item does not include any battery, atomizer or cartridge. Parameter Capacity built-in 1400mAh battery a full-charged new M401 smart PCC can charge a 200mAh battery up to 4 times. Output voltage DC 3.7V Length 98mm Width 56mm Thickness 24mm