【Efficient Cooling】Portable mini air conditioner with powerful motor Thanks to the powerful motor and innovative air duct design, the temperature can be reduced by 5-8 degrees Celsius. The powerful, cool wind provides comfort all night long and ensures you sleep well all night. 【Low-Noise & Three Speeds】Personalize Your Cooling Needs Upgraded system with <45dB noise, 3 speed levels (low / medium / high). Mini air conditioner for peaceful nights with customized temperature. 【4000mAh Rechargeable Battery】Portable Small Air Conditioner up to 10 Hours Built-in 4000mAh battery gives 5-10 hours of runtime, wireless use. Lightweight (450g), ideal for room, office, car - no power required. 【3-in-1 Function: Cooler, Circulator & Humidifier】Not just a fan: Mini air cooler cools, circulates air and humidifies. Full water tank (180mL) sprays 2.5-12 hours (depending on speed). 【Energy Efficient & Compact】Use Within 1.2 Meter Range Type-C charging, only 4W power - cheaper than traditional air conditioners. Keep Small Air Conditioner within 1.2m for optimal operation. Features（Mini Air Conditioner） Material: PP+silicone+electronics Weight: 450g, Water Capacity: 180mL Battery: 4000mAh, Runtime: 4-16 hours Charging time: 3.5 hours, Input: 5V-1A Functions: 3-in-1 (cooler, circulator, humidifier) Speeds: 3 Levels, Noise <45dB Certificate: CE, Size: 170x96x167mm