your local dealer. Please note that this special cable only works with the R2 II.
3.5mm headphone port: For CTIA-standard headsets. Inline remote is not supported.
HiBy Music App
R2 II works better together with the HiBy Music Android / iOS app. It supports WiFi music transfer
and transmits songs on mobile phones, computers and tablets to the R2 II via a shared WiFi.
HiByLink remote control function connects to and controls the R2 II via mobile phone Bluetooth.
Change tracks, select songs, manage songs remotely. Scan the QR code here to download the HiBy
Music app.
USB DAC
1. Please go to the official website(www.hiby.com) to download the driver zip file and guidance.
2. To use the R2 II as USB DAC, you need to be set "USB mode" to "Audio" in the system settings
and connect to the computer with the supplied USB data cable.
Portal capabilities
1. R2 II as a Bluetooth sound card: USB → R2 II → Bluetooth headphones; when using the R2 II
as a USB DAC, you can also use Bluetooth headphones / speakers to listen to the music;
supports LDAC 96kHz, and UAT at the maximum of 192kHz;
2. R2 II as a digital source from Bluetooth input: Bluetooth audio -> R2 II -> USB audio; when
connected to e.g. your smartphone via Bluetooth audio, the R2 II can also be a high quality digital
audio; supports coaxial digital output, or USB Audio output, supports LDAC 96kHz, and UAT at the
maximum of 192kHz;
3. R2 II as a digital source from WiFi input: Using DLNA on the Android system (BubbleUPnP and
other apps), or AirPlay on the iOS system (integrated in system slide-up menu), send music via WiFi
to the R2 II, which can then become a lossless quality digital audio source; supports coaxial digital
output, or USB Audio output.
Wireless capabilities
1. WiFi: Support 2.4GHz/5GHz WifFi. Support music transmission via WiFi, HiByLink (requires HiBy Music
app), DLNA, Airplay, OTA online update, internet radio; TIDAL and Qobuz streaming apps (appear when
system language other than simplified Chinese is selected).
2. Bluetooth: Supports Bluetooth 5.1, supports a variety of high-definition Bluetooth protocols
including UAT, LDAC (two-way), aptX and so on.
Firmware update
1. OTA upgrade: Turn on WiFi in wireless settings and connect to WiFi, tap “system settings” ->
“Firmware update” -> "Via OTA". Then the R2 II will get updated.
2. Manual update: Go to official website (www.hiby.com) to download the corresponding firmware,
place r2ii.upt in the root directory of micro SD card (i.e. outside of any subdirectories), insert the
micro SD card into the R2 II, tap “System settings” -> “Firmware update” -> “ via SD-card”. Then the
R2 II will get updated.
Notes and precautions
Do not repair, disassemble, or place the product in water.
When the product is not used for a long time, it is necessary to periodically charge the product to
ensure battery life.
When you use headphones, you will not be able to hear the external environment. For your safety,
please avoid using headphones in a dangerous environment.
Charging with a charger with too high voltage without smart Quick Charge function may damage the
product. Please choose a proper charger to for charging.
If the system fails and crashes, you can press and hold the power button for 30 seconds to force a
restart.
