4.0 Bluetooth anti-loss/ luggage finder device made in durable ABS material. It includes a luggage tag. Requires a free app (iSearching) available in both iOS and Android. Attach the device to your bag or luggage and whenever your belongings are lost the device will help you to find them. The additional features available with the item are remote shutter/selfie button and phone find function. 1 CR2032 battery included.