CS - 300 - f infrared receiver unit

CS - 300 - f infrared receiver unit:
The language selection, 1 to 6 channel
Can work for up to 60 hours, two AAA batteries
There is no limit on the number, the receiving unit
Size, the volume can be adjusted freely
High receiver sensitivity, receive a wider range
Nanomaterials, filter, maximum limit to eliminate the visible light interference
Appearance design is exquisite, smooth, accord with human body engineering