Lionel The Polar Express Electric O Gauge Model Train Set with Remote and Bluetooth 5.0 Capability allows you to operate your train using voice control and gives you the option to record and live stream your own custom announcements. Operation Technology via the Lionel LionChief App includes Bluetooth 5.0 that allows you to operate your train via any compatible smart device. The Lionel Voice Control (LVC) allows you to run your locomotive by speaking commands into a smart device. The Voice Streaming and Recording (VSR) allows you to record your own voice to generate custom train announcements, or stream your voice live through the engine. The FasTrack System features a fantastic prototypical look and a snap together locking mechanism for tight, reliable connections. Features include an electric locomotive controlled by remote control, diecast metal locomotive body, powerful maintenance-free motor, on/off switch for sounds and smoke, operating couplers, steam chuffing and background sounds, whistle, bell, user-activated announcements, puffing smoke, operating headlight, traction tires, soft molded diaphragms between cars, interior illumination, window silhouettes, and a rounded observation platform.