Thank you for purchasing HiByDigital's new M300.  It is a high performance, high fidelity digital audio player supporting various hi-res formats such as DSD, DXD, WAV, FLAC, ALAC, APE, WMA lossless, as well as other common formats such as MP3.  To help you get the best out of the M300, this user guide has been compiled to introduce you to the features and how to use them.  Please read thoroughly in the first days of ownership.

Touchscreen controlled with 4' multi-touch TFT of 640x1280 resolution.

① Microphone x2;

② LED status indicator ,changes colourdepending on status:

off--standby

red--charging

pale blue--running

③ Power button:hold to turn deviceon/off, tap to turn lock / wake;

④ Volume buttons;

⑤ Play/Pause,next track;

⑥ Multi-function button;

⑦ Micro SD card slot supporting up to 2TB;

⑧ Lanyard lug;

⑨ 3.5mm earphone port, supportingmic input(US standard);

⑩Type-C port, supporting chargingand USB DAC output;

⑪Loudspeaker.

Operating system

The M300 runs Android 13, and operates in the same way as a modern Android smartphone.  You may free install apps on it in the usual manner.

1. Music player app

Player is preloaded with professional version of HiByMusic app, a music player designed from the ground up for music enthusiasts with powerful yet easy to use features.

2. Play store

Google Play store is preinstalled;

3. Supports radio FM function;

4. Taptic Engine produces vibration and haptic feedback functions.

USB audio output

The M300 may be connected to external DACs and amplifiers via the USB port.  

Relevant cabling are available at store.hiby.com .

File transfer

Connect the bunded USB cable between the M300 and the computer, then choose the File Transfer USB mode on the M300.

Wireless connections

1.Supports Bluetooth 5.0;

2.2.4GHz and 5GHz WiFi supported for streaming music, internet usage etc., and also music transfer, HiByLink remote control, and DLNA / LAN music connection using the HiByMusic app.

Firmware upgrade

1.Connect to WiFi for updates;

2.System will detect and prompt availability of new versions automatically under notification shade;

3.Manual check for updates also available under system settings.

Other functions

Hold the power button for over 10 seconds to reset / reboot the player.