1.Hi-fi,remote chat 2.Portable,foldable 3.Infrared wireless distance:10~15m 4.OEM logo & package 5.CE, ... audio system.2. Operating distance up to 10meters with latest infrared wireless technology3. Foldable design, convenient to carry with.4.Auto ... way: Automatic pairing9.With CE,FCC,RoHS approval.Specification: ·System:infrared light (850nm)·Carrier frequency: Right channel: 2.8MHz Left channel ...