You can call and listen what is around in the car or at home. Device have gps, so you can get googlemaps link to check where is a car. DEVICE HAVE NOT BATTERY, SO ALWAYS IT SHOULD BE CONNECTED TO THE CAR CIGARETE LIGHTER. The item "Mini spy bug gsm audio listening device Hear Sound On Phone in Anywhere" is in sale since Tuesday, October 27, 2020. This item is in the category "Consumer Electronics\Surveillance & Smart Home Electronics\Home Surveillance\IP & Smart Security Camera Systems".The seller is "saulesmiestas" and is located in iauliai. This item can be shipped worldwide.