The device is from Jarir, purchased less than a week ago. It only works with Samsung. It has not been opened at all, it's clean. A tracking device you can put with your keys, in your car, or with your child to know their exact location. The battery lasts 500 days or more. It works via Bluetooth without a SIM card. Location: Buraydah Al-Safra. 60 Riyals.