Panasonic Digital Cordless Surround Headphones Black x Silver RP-WH5000-S RP-WH5000T, RP-WH5000H These are cordless headphones using a digital infrared transmission system. With "Personal Surround" technology, you can experience immersive surround sound close to 5.1ch. 【Condition】 Includes outer box, main unit, power adapter, and optical digital cable. Operation confirmed. There is some aging on the outer box and the ear pads of the headphones, but there are no problems with the operation. Brand: Panasonic Release Date: 2014/12/01 Structure: Closed-back Wearing Style: Over-ear, Integrated left and right Headphone Type: Headband Color: Silver Headphone Features: Surround Low-Frequency Response (Hz): 18Hz High-Frequency Response (kHz): 22kHz Wireless/Wired Connection: Wireless Driver Size (mm): 40mm Wireless Standard: Infrared Weight (g): 312g The item will be shipped in the outer box, wrapped in waterproof vinyl and bubble wrap. ⚠️Item is also listed elsewhere, so it may be removed without notice. ⚠️Shipping is planned via recorded delivery, but depending on the shipping date, it may be changed from Nekopos (Yamato Transport) to Yu-packet (Japan Post).