Quiet: Whisper-quiet so you can use it during sleeping. Air cooler: Get a mini air conditioner unit in green or white! Modes: With three different modes to provide different levels of cooling. Designed to: Designed to cool and clear the air with its 150ml water tank. Use: Runs for up to eight hours per fill. Rechargeable: Charges via a USB cable that comes included. | Mini Air Conditioner Unit - Green | Wowcher