Product name: Portable ultrasonic mosquito repellent Product size: Input 5V/0.5A The output ranges from 34Hz to 70Hz Battery capacity 60mAh Charging time is about 60 minutes Endurance working time 48 hours Product color Black. White. Blue, pink Single package size 35*55*92mm/ 1.38*2.17*3.62 inches Product material: plastic Product features: Electronic outdoor mosquito repellent, using ultrasonic technology, can effectively repel mosquitoes. Portable design, easy to carry, can be carried around, to keep you in the outdoor activities away from the interference of mosquitoes. USB charging, you can charge easily and quickly through the USB interface, saving more battery costs. Cute cartoon bear shape design, cute and fashionable appearance, not only practical but also as an accessory pendant, add decorative effect. Adjustable function, according to the need to adjust different frequencies, to provide a more personalized mosquito repellent effect. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pcs Portable ultrasonic mosquito repellent