Zzztrade Ultrasonic Body Shape Wristband, Silicone Anti-Mosquito Repellent Bracelet Band  (4 ml)

Mosquito repellent principle - the bracelet imitates the female mosquitoes that hate the sound, such as male mosquitoes, and dragonflies sound, to achieve the effect of mosquito repellent. In nature, blood-sucking are female mosquitoes, and are in the period of fertilization and egg-laying, in this price range, female mosquitoes will avoid male mosquitoes, to avoid the second fertilization. So simulating the sound of male mosquitoes can achieve the effect of mosquito repellent. Product features - pure physical mosquito repellent, not chemical drugs mosquito repellent, safer, more assured, more environmentally friendly, more healthy. The elderly, children, pregnant women and pets can be worn. Portable products can be worn indoors and outdoors (beach, park, camping, hiking, fishing). Product Name Ultrasonic Mosquito Repellent Watch Model No. M30 Function: Sonic mosquito repellent Input 5V/0.5A Output 34Hz-70KHz Battery Capacity 80mAh Charging time approx. 30 minutes Operating time 150 hours Product Color Black. White. Blue. Pink Package size 32x52x78mm Weight (including package) 36.5g What's in the box 1 x Ultrasonic mosquito repellent watch 1 x usb charging cable