The Ultrasound Mosquito Repellent Wristband is an intelligent and efficient solution to keep mosquitoes away. It uses pure physical mosquito repellent technology, making it a green and safe choice for the whole family. Unlike chemical-based repellents, this wristband does not contain any toxic substances, making it suitable for children, pregnant women, and pets.<br> <br> With its fast charging capability, the wristband can be fully charged in just 30 minutes, providing a long-lasting battery life of up to 130 hours. It works by simulating specific sound frequencies that effectively repel 70% to 80% of mosquitoes. Whether you're indoors or outdoors, this wristband is perfect for various activities such as camping, hiking, fishing, and more.<br> <br> The Ultrasound Mosquito Repellent Wristband comes in two classic colors, black and white. It is easy to carry and comes with a charging cable and an instruction manual. Please note that the actual color of the item may vary slightly from the pictures due to monitor differences. Additionally, please allow a 1-3cm error in measurement due to manual measuring. If you encounter any issues with the product, please reach out to us before leaving negative feedback. We appreciate your understanding and satisfaction.<br> <br> Key Features:<br> <br> Pure physical mosquito repellent<br> Fast charging<br> Long battery life<br> Suitable for the whole family<br> Safe for children, pregnant women, and pets<br> Indoor and outdoor use<br> Comes in black and white<br> Includes charging cable and instruction manual