Children's multi-purpose school calling watch

Specifications and features of the school calling watch: The student calling device is small, easy to use, and portable. It operates on batteries and charges via a USB port. The charging cable of the USB type is attached to the device. The wireless device is safe for students and suitable for boys and girls. Each student calling device works independently without interference. The transmission range is up to 200 meters in open air. Note: The device has been tested, and the maximum distance it works at is 50 meters in the presence of obstacles, and of course, 50 meters is sufficient and exceeds the purpose for which the device was designed. It emits an alert sound and vibration to call the child through the student calling watch, and you can choose one or both. The watch is lightweight, and the strap is comfortable on students' wrists. The watch is safe and does not contain a chip or camera. The calling watch is made of high-quality materials, manufactured according to international specifications and standards (such as quality, compatibility with various chargers, and other global standards). The student calling watch is the perfect solution for students to leave school quickly every day, saving time and effort.