These headphones have been fully tested and are in full working order

UHF Wireless Radio headphones with 100m range (20-30m in buildings)
Connectivity via base: 3.5 mm jack
Elastic headband for added comfort even in periods of long wear
Autotuning
The power button on the headphones with LED display. Note for Consumers: To get the best possible sound out of your headphones you should set the volume of the sound source (TV, stereo system, ...) as high as possible and reduce the volume on the headphones.

This item is unboxed

the condition of this headset is in very used condition with minor marks on the headset and base.

if you require any more information please don't hesitate to ask