Note: Manual measurement, please allow slight error. Specification: Item Type: ARC Sound Extractor_x000D_Material: Aluminium Alloy_x000D_Power Supply Interface: Micro USB_x000D_Maximum Working Current: 100mA_x000D_Operating Ambient Temperature: -10-+55 _x000D_Storage Temperature: -20-+60 _x000D_Working Humidity: 10-90 Percent RHNon Condensing)_x000D_Storage Humidity: 5-95 Percent RHNon Condensing)_x000D_Size: Approx. 90x73x21mm/3.5x2.9x0.8in Features: 1Sound Extraction: HD output ARC sound can extract sound from high definition multimedia interface signals to digital and analog signals. 2Input And Output: ARC Sound Extractor Supports high definition multimedia interface ARC, optical, coaxial input switching function; Supports optical, coaxial, RCA stereo, 3.5mm stereo headphone output simultaneously. 3Volume Adjustable: ARC sound extractor switches to ARC and 3.5mm headphone output, volume level can be controlled by TV (CEC). 4Transmission: Digital analog sound converter optical coaxial output interface supports 5.1 channel transmission, and supports transmission of 192KHz sound sampling rate. 5Easy To Carry: Digital analog sound converter is aluminum metal case, small size, easy to carry, suitable for a variety of scenarios. PackageList: 1 x Sound Converter 1 x Charging Cable 1 x Instruction Manual