The Personal Aircon Model LE set includes 1 cooling unit, 1 power bank cable and 1 packaging (Please note: The set does not include a power unit, as it is designed to be compatible with any power source featuring USB-C connectors.).  
Cooling area: 30mm*30mm
Cooling unit Size: 35mm*35mm*20mm
Cooling unit Weight: 30 g
Cooling  power max: 5 watts, for comparison, a typical air conditioner consumes 700 and 2,000 watts
Default wrist band color: Light blue
Power bank cable length: 1 meter
Compatibility: Works with any power bank or device featuring USB-C connectors
Extended Power Duration: A typical phone can power the device for 12-24 hours, ensuring all-day cooling.