M70 Ultrasonic Mosquito Repellent Bracelet Portable Multifunction Mosquito Repellent Wristbands for Outdoor Indoor

ULTRASONIC TECHNOLOGY: The mosquito bracelet affects the hearing and nervous system of mosquitoes through a unique ultrasonic . They will automatically escape from the area covered by the ultrasonic s. SAFE AND : Mosquito repellent bracelet is safe and harmless, silent mosquito repellent, the machine sends out ultrasonic s, the upper limit of the human ear hearing, there is no harm to people.

LIFE: The mosquito repellent bracelet then has a battery life, low power consumption and other features, with a standby time of 6 months and a working time of 7 days, and a rechargeable battery for fast charging and greater convenience. Item Type: Ultrasonic Mosquito Repellent Bracelet Material: Silicone, ABS Effective Range: 5-10 Frequency: 20Hz-100KHz Operating Time: 7 Days Standby Time: 6 Months Built in Battery: 100mAh Lithium-ion Battery (Shipped with Battery)