... cable ,the receiver can be used as a wired earphone.Wireless MonitoringPlace the emitter near baby, old people and sick people ... equipment with audio out socket, such as TV set, audio device, DVD/VCD player, multimedia PC, etc.Power Supply: 2 x ... or 4.5 DC (not included).Package including:1 x Wireless Headphone1 x FM Transmitter (stand)1 x User's Manual1 ...