| Main features |
| Firmware updates: Supported via update zips placed in internal storage or SD card, or automatic over-the-air (OTA) push notification |
| Data transfer: USB 2.0 high-speed |
| Play order: Supports playing by folders, all songs, albums, artists, genres, favorite songs and custom playlists |
| Play modes: Sequential, shuffle, loop single, loop all (Up Next Queue and stick to queue list top--to be supported by future firmware) |
| Library management: Supports deleting songs on the X5; customizing list of favorite songs and playlists; batch addition and deletion from various |
| lists; deletion of folders; Bluetooth connection; and Playlists backup |
| Resume playback: App may resume playback from last song when X5 is turned back on |
| USB DAC: Supports 192 kHz/24bit via driver installation |
| Visualizations: Supports display of internal / external / folder-based album art, ID3 tag info and VU meters |
| Gesture operations: On now playing screen, swipe from left edge of screen for Now-playing playlist, slide up / down on the right for volume adjustment |
| EQ adjustment: Professional 10-band equalizer with 9 built-in genre EQs, App built-in ViPER effect |
| UI settings: Main menu can be customized (among playlists, local music, DLNA, recently played, most played and recently added) |
| Cloud music: DLNA |
| System mode: Instant switch between Android mode &Pure Music mode |
| Filter modes: Sharp roll-off filter, Slow roll-off filter, Short delay Sharp roll-off filter, Short delay Slow roll-off filter, Super Slow roll-off filter |
| ViPER effect: Supported |
| Sound balance: L10~R10(0.5dB/step) |
| Gain: High and low gain settings available |
| Headphone detection: Pauses automatically when headphones removed |
| Balanced output: 2.5mm headphone port |
| WiFi support: Supports online music apps via WiFi |
| Bluetooth: Supports Bluetooth 4.0, aptX, low latency, good sound quality and fault tolerance |
| ID3 tag info: Supported |
| Headphone in-line remotes: Supported (Volume adjustment of Apple earpods not supported) |
| Gapless playback: Supported |
| Play through folders: supported |
| Search function for songs: Supported |
| Chips used: SoC: RK3188; DAC: AK4490x2; LPF: OPA1612; OP: Customized chips OPA426x2 |
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SPDIF output：DOP/D2P(DOP up to 64)
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