The UWELL Caliburn G4 Pro KOKO brings a 2.0″ HD touchscreen and a large 2000mAh battery (up to ~10 days per charge) to the boxy KOKO form. Storm, Waves and Custom modes, five gamified “Blind Draw” UI themes and eight languages, U² anti-leak 2mL GPP pods (0.4Ω + 0.6Ω), and USB-C 5V/2.5A charging.