750ml Large Capacity Air Humidifier USB Rechargeable Wireless Ultrasonic Aroma Essential Oil Diffuser Specification: 1. Material: ABS+PP+silicone 2. Water tank capacity: 750ML 3. Use time: 18-28 hours 4. Spray volume: 30-50mlH 5. Battery capacity: 18650 battery 2000mAh 6. Battery voltage: 3.7V, power: 7.4W 7. Input voltage: DC5.0V1000mAh 8. Power consumption: 1.1-1.7W 9. Working current: 250-400mA 10. Product size: 96.5x96.5x177.5 mm 11. Weight: 367g Features: 1. Nano-atomization atomizes water into micron water molecules, breathing quickly, and feeling refreshed 2. Simple design, where is pleasing to the eye, classic style 3. Upgrade large-capacity design, eliminating the cumbersome frequent water addition 4. Power-off protection, anti-dry burning, built-in anti-dry probe, waterless automatic power off and dry, double protection, safe and reliable 5. Silent operation, sleepless, silent, humidified, no radiation, does not affect sleep Package: 1. Host x 1 2. Sponge stick x 1 3. Data cable x 1 4. A copy of the Chinese and English instructions x 1