Sony MDR-HW700DS Wireless Headphone 100-240V (Japan Import) Driver unit: 50mm (CCAW voice coil adoption) / Reproduction bandwidth: 5-25,000Hz / Power supply: Built-in lithium ion chargeable battery Battery life: 12 hours (With fully charged built-in lithium ion chargeable battery) / Weight: 320g, processor - 410g Decoder: Dolby TrueHD, Dolby Digital Plus, Dolby Digital, Dolby Pro Logic IIx, DTS-HD Master Audio, DTS-HD High Resolution Audio, DTS 96/24, DTS-ES, DTS, DTS Neo:6, MPEG-2 AAC, LPCM 2ch/5.1ch/7.1ch, Dolby Pro Logic IIz Input terminal: HDMIx3, Opticalx1, Stereo pin jack x1 / Output termail: HDMIx1, Opticalx1 Included Accessories: AC Adapter Optical digital cable (1.5m) Charger micro USB cable (1.5m)