Modes: 3 (Stimulation / Expression / Mixed) Suction Levels: 9 adjustable levels Vacuum Strength: -285 to -300 mmHg Noise Level: Less than 50 dB Flange Size: 24 mm Bottle Capacity: 6.09 oz (Recommended: ≤5.07 oz) Pump Dimensions: 5.12" × 4.49" × 2.87" Pump Weight: 10.12 oz Maximum Usage Time: 180 minutes / 5–6 sessions Auto Shut-Off: 30 minutes Charging Time: Approx. 2.5 hours (5V / 1A)