BluDento 5.0 aptX HD, True HiFi Long Range Bluetooth Music Audio Receiver

No transmitter included just the receiver. The micro USB power cable of DC 5V works well for BluDento( no current limitation because of BLE: Bluetooth Low Energy technology used) if you want to bypass the built-in DAC, you can connect analog to amp#1 & digital to external dc2 to your preamp. You get output from analog, SPDIF coaxial, and TOSLINK optical at the same time. Bluto is aimed at safeguarding the environment thereby making use of old wired docking speakers and home theaters. We focus to incorporate our products with cutting-edge technologies like NFC, aptX HD, LDAC, etc. It'S backward and forward compatible with all Bluetooth transmitting devices so that you can connect to the device of your choice. The device can be connected to any APPs including Spotify, Pandora, TIDAL, iTunes, Amazon Music, Apple Music, and YouTube. Bluto remains in standby mode with no timeout, no push-button, and does not sleep. Blue light flashes when not paired, solid blue for successful connection. Aptx HD & 32bit Burr-Brown DAC Support Rewind your all-time favorite loop and get ready to play the daily dose of music in HD quality. The unit has a built-in burr brown 32Bits dc that outputs through the RCA. Bluto connects to your A / V receiver, HiFi audio system, tube preamp, amplifier, home stereo system. Connect through analog stereo L/R RCA, digital TOSLINK Optical and SPDIF coaxial without a hitch. If left plugged in does it shut down automatically after a period of inactivity?