Rechargeable Smart Ultrasonic Electronic Essential Oil Tablet Insects Repellent

Special Feature: 1.Using high class essential oil without unpleasant smell, no harmful chemical ingredient exist, which is especially designed for baby kid, safe and healthy for your family 2.Double ways to repel insects and mosquito: Ultrasonic + biological 3.The environmental and skin friendly TPU material watchband offers soft touch feeling for you, you can also hang it on your ankle, baby stroller, bag as decor for the adjustable design 4.Great for outdoor using: Camping, hiking, shopping and many other outdoor activities, as well as a fashion bracelet for you 5.With micro USB charging port, different colors from LED light shows different conditions when charging: Blue light-working, red light-charging, full charge-green 6.The wristband emits three different ultrasounds to repel insects: (1)Physical sound bat frequency: 25K-40Khz, frequency conversion, indicator blue light is always on, without sound from speaker (2)Physical male-mosquito frequency: 4KHZ, indicator blue light flash one time/2 seconds, with low and ongoing sound from speaker (3)Physical dragonfly frequency: 12-20Khz, frequency conversion, indicator blue light flash one time/0.5 second, with interval sound from speaker 7.Advantages: (1) Electronic part: 3.7V, 180mAh, full charge within 3 hours, and it can be used for 5 days when full charged. (2)Essential oil part: it is refined from pure natural plants, the smell can last for 5 days, and the effective repellent area is 3m