90 degree vertical airflow control for optimal wind blowing Blowing speed adjusted by the on/ off switch Flat bottom surfaces turns it into a desk fan easily With a wrist strap for easy carry Can be used at just about any angle when held by hand Great for refreshment when you?re out Such as camping, picnicking and so on Portable, good versatility & Easy to Use Size: 207mm X 138mm X 60mm power supply choices: 4 x AA batteries, USB port, and power adapter batteries and adapters Not included Note: a. Please get the sponge out and soak it (not dripping) before use. b. Don"t inject water directly while the sponge is in the cooler body; otherwise the internal parts will be damaged. c. After work and no use for a long time, get the sponge out, clean it, and keep it dry. d. Add some drops of fragrance into the water and the output air will be nice-smelling.