... as FM radio separately, search and lock channels automatically. Wired Earphone It's perfect audio-chat tool, provides infinite enjoymentFM RadioThe ... audio cable ,the receiver can be used as a wired earphone.Wireless MonitoringPlace the emitter near baby, old people and sick ... PC, etc.Power Supply: 2 x AAA batteries or 4.5 DC (not included).Package including:1 x Wireless Headphone1 x ...