Size 1:  Bottle Design USB Ultrasonic Humidifier<br />Voltage: DV 5V             Power: 2W                   Size: 17cm*5.5cm<br />Material: ABS + Electronic components         Humidifying time: 3h<br />Water Tank : 300ml                                             Sprayed Vomule: 10-30ml/hour<br /><br />Size 2: Mini Portable USB Charging Cup Humidifier <br />Certification: CE・EMC・CB・CSA           Humidity Control: Humidistat<br />Classification: Humidification              Humidification Method: Mist Discharge<br />Water-shortage Power-off Protection: Yes          Application: 11-20 <br />Operation Method: Keyboard Type                      Type: Ultrasonic Humidifier<br />Noise: <36db          Function: Pureness Type             Capacity: <1L<br />Shape: Cartoon     Timing Function: No                       Power (W): 2W<br />Voltage (V): 5V        Size: Approx.135*75mm/            Water Tank: 300ml<br /><br />Size 3: Mini Aromatherapy Portable Bottle Cap Air Ultrasonic Humidifier<br />Material: ABS            Voltage: DC 5V             Power: 2W<br />The Quantity of the Fog: 20ML/H                  Size: Approx:7.9 x 7.9 x 10cm <br />Humidifier Weight: 60g                                   Package Size: 8 x 6 x 6cm <br />Package Weight: 100g<br /><br />Included:<br />1 X Humidifier<br />1 X USB Cable<br />