NOO’s safe travel assistant is an out-of-home service APP tailored for foreign tourists and foreign students. 1. First, each time you turn on the APP, you will locate your current location. When you get lost, you can quickly locate and choose to send the current location (including latitude and longitude) to others through SMS and emails. , quickly contact other people (including direct calls, text messages, e-mail)! 2. Considering that many students and tourist groups need to exchange currency, they also have exchange rate conversion function, support multiple common currency conversions, the latest common currency exchange rates, brief refreshing pages, operations similar to calculators, and easy to use quickly. ! Designing and operating in accordance with the principles of simplicity, ease of use, and safety, the follow-up will update the conversion and play functions of more national currency exchange rates. 3. Include a compass function. If you are planning on traveling abroad and going to school in the near future, NOO Safety Travel Assistant is your first choice!