Lionel Winter Wonderland LionChief Electric O Gauge Bluetooth 5.0 Train Set with remote includes a locomotive, cars, track, power supply and remote control. This 19 piece set includes detailed decoration, is Bluetooth compatible, and contains unique features like detailed sounds, smoke and lights. Operation Technology via the Lionel LionChief App includes Bluetooth 5.0 that allows you to operate your train via any compatible smart device. Lionel Voice Control allows you to run your locomotive by speaking commands. Rail Sounds Rc Sound System controls train sounds and announcements.