WiTbelt K200 Sharp Red Bluetooth Smart enabled Travel Belt with Combination Lock TSA approved Anti-theft with Smartphone App Imported World first Bluetooth Smart enabled luggage strap with paging and alert functions with LED Polyester/Plastic strap adjust to fit bags up to 70 inches with 3 dial combination lock Built with TSA approved lock and set your own combination Sharp design and color to ease on identifying checked baggages Free Smartphone app available on iOS (App Store). Support iPhoneX and iPad Pro