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1 / 5JadeAudio
JadeAudio /FiiO JM21 Android 13 Hi-Res
Key specs
Headphone Jack
YesMost commonTrue89%False11%
True is the most common — on 89% of the 35 mp3 players we've cataloged (of 38).
Bluetooth
YesMost commonTrue89%False11%
True is the most common — on 89% of the 28 mp3 players we've cataloged (of 38).
Expandable Storage
YesMost commonTrue84%False16%
True is the most common — on 84% of the 25 mp3 players we've cataloged (of 38).
Battery Life Typical
12.5 hBelow average12.5 h
8 h40 h
below average for mp3 players — based on 20 of 38 we've cataloged.
Connectivity
- Headphone Jack
- Yes
- Bluetooth
- Yes
- Bluetooth Codec
- SBC, AAC, aptX HD, LDAC, LHDC
- Bluetooth Version
- 5.0
- Microsd Reader
- Yes
- Wifi
- Yes
- Headphone Jack Size
- 3.5mm, 4.4mm balanced
Memory
- Expandable Storage
- Yes
- Max Expandable Storage
- 2048 GB
- Storage
- 32 GB
Battery
- Battery Life Typical
- 12.5 h
- Charging Method
- USB-C
Design
- Color Options
- Black, sky blue
- Weight
- 156 g
Display
- Touchscreen
- Yes
- Resolution Px
- 750×1334
- Size In
- 4.7 in
Identity
- Model Number
- F30511
Software
- Operating System
- Android
Sound
- Balanced Output
- Yes
- Output Power Mw
- 700 mW
SoundGuys review
Read the full review ›Value8.0
The verdict
The JM21 is a great entry point into digital audio players with a limited budget. It uses a familiar Android interface and has extra features such as DAC mode and Bluetooth Receiver mode.
✓What we like
✓Small size
✓Android 13
✓LDAC Support
✓Works as Bluetooth receiver or as Desktop DAC
✕What could be better
✕Bluetooth version 5.0
✕Battery
✕Small Display
✕Bluetooth receiver and Desktop DAC Mode Lag
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