Volume control design: The digital-to-analog converter features a professional volume control knob that allows easy adjustment of the output volume for RCA and AUX connections, supporting simultaneous playback through speakers and headphones. Supports all popular sample rates: The digital-to-analog converter accepts uncompressed digital o input at sample rates of 192kHz/24bit, 96kHz, 48kHz, 44.1kHz, and 32kHz, delivering clear, electromagnetic noise-free o performance. Bluetooth: Equipped with Bluetooth version 5.0, supporting SBC and AAC codecs, and includes a Bluetooth antenna with a signal range up to 10 meters. Compatibility: Designed for home or professional use, this digital-to-analog o converter supports coaxial, Toslink digital o, stereo o, and Bluetooth inputs, converting them to analog stereo o signals. It also functions as a digital music player with USB flash drive input, supporting MP3, WAV, APE, FLAC, and WMA lossless o formats. Input Terminals: 1 x Coaxial Digital (RCA) terminal, 1 x Optical Digital (SPDIF/Toslink) o terminal Input: Coaxial or Optical Digital o Output: R/L (o output connector) o input connections: Toslink, 1 x RCA (coaxial) o output connections: 2 x RCA (right/left) Supported sampling rates: 32kHz, 44.1kHz, 48kHz, 96kHz playback Power input: AC 100-240V 50/60Hz Power consumption: 5W (maximum) Color: Black Material: ABS Dimensions: 15.5 x 7.3 x 2.8cm Package Contents: 1 x Digital-to-Analog o Converter Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display settings may cause slight variations in the color of the item as seen in images compared to the actual product. Measurement may vary by +/- 1-3cm due to manual measurement.