Tested and work GREAT! Only used once. Box has some damage from opening. Please view all pictures. Instruction manual not included but instructions are available online on the Sony website for free.

Model: WH RF400

Type: Ear-Cup (Over the Ear)

Features: Noise Cancellation, Wireless, Rechargeable

Wireless Technology: RF

Form Factor: Headband

Number of Earpieces: Double

Microphone Type: None

Keywords: Sony, WH RF400, Wireless Headphones, Stereo Headphones, Home Theater System, Black Headphones, RF Headphones, Wireless Stereo, Over Ear Headphones, Audio, Headset, Noise Reduction, Comfortable Fit, Rechargeable, Home Audio