Electric versions have user-controlled color-changing lights working with diffused fragrance oils and water. Many units double as humidifiers. Reed diffusers are available as well.

Fragrant flower bud

Comefresh Electronic Industry Co. Ltd (Airpple)
Comefresh’s model CF-9830 flower bud-shaped ultrasonic diffuser works for 12 hours straight. It doubles as a humidifier. The unit’s pink, blue, purple, or custom color tank has a 450mL water and 25mL per hour moisture capacity. It automatically cycles through seven night light colors and shuts off when empty. The noiseless ABS or PP unit runs on 12W. It comes with an adapter, user manual, and a soft cleaning tool. Custom logos are accepted. MOQ is 1,000 to 2,000 units.

Suits rooms, hotels, cars

ED Origin Technology Co. Ltd
Priced at $10 to $12, the model CJ-702-C8 ultrasonic diffuser from ED Origin is designed for rooms, hotels and cars. It gives off mist at a rate of 15mL per hour. Water capacity is 65mL. The model’s working time and custom color LED lights are user-controlled. The portable unit plugs in a 5VDC USB port. It measures 80x135mm and is CE- and RoHS-compliant.

500mL water capacity

Liangu Electronic Co. Ltd
Liangu Electronic offers the model LGA168Z73 ultrasonic diffuser and humidifier that holds up to 500mL water. It requires 24VDC and 13W, and has an 8-hour running time. The unit is fitted with eight LEDs and a water level sensor. Its lights are user-controlled. The model produces as low as 20 to 25dB noise. It measures 168x121mm. MOQ is 2,000 sets.

Meets CE, FCC, RoHS

Ningbo Shanhuang Electrical Appliance Co. Ltd
Ningbo Shanhuang’s BSFD01 P1 model adopts ultrasonic technology and meets RoHS, CE and FCC requirements. The indoor-use unit produces mist from water and fragrance oils. It covers 10 to 20sqm. The model works for three hours straight and shuts off automatically when set time is up, or water completely disperses. It has six automatic or manual-changing red, light red, white, green, light green, blue and light blue LED lights. The unit runs on 100 to 240VAC at 50/60Hz and comes with an AC adapter, water holder and user manual. Corrosion-resistant PP is used for the housing. The 80x140mm product weighs 250g.

50mL reed diffuser

Shanghai Siyuan Flavours & Fragrances Co. Ltd
The CLSY16D012 model from Shanghai Siyuan utilizes reeds that draw scent from 50mL water and fragrance oils stored in a small clear glass bottle. A patterned semicircle holder or rack holds the bottle. The product measures 13.5x7.5x27cm.

Decorates rooms, vehicles

Shanghai Wellness Crafts Co. Ltd
Shanghai Wellness’ WNA14008 model serves as decoration for rooms and vehicles with its custom designs and assorted scents. Its glass bottle holds 120mL fragrance oil mixture that is said to last up to two months. The diffuser comes with aroma-diffusing rattan sticks. It is priced up to $3.50 and packed 24 pieces per carton.