MP3 Players
JadeAudio /FiiO JM21 Android 13 Hi-Res
7.5SoundGuys scoreRead our review ›
$179.99at Amazon
Buy on AmazonAll products featured are independently chosen by us. However, SoundGuys may receive a commission on orders placed through its retail links. See our ethics statement.
Sony
Sony NW-WS623 4 GB
Key specs
Headphone Jack
NoTrue89%False11%
False appears on 11% 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
NoTrue84%False16%
False appears on 16% of the 25 mp3 players we've cataloged (of 38).
Battery Life Typical
12 hBelow average12 h
8 h40 h
below average for mp3 players — based on 20 of 38 we've cataloged.
Connectivity
- Headphone Jack
- No
- Bluetooth
- Yes
- Microsd Reader
- No
- Wifi
- No
Memory
- Expandable Storage
- No
- Storage
- 4 GB
Battery
- Battery Life Typical
- 12 h
- Charging Method
- Micro USB
Design
- Color Options
- Black, white
- Weight
- 32 g
Display
- Touchscreen
- No
Identity
- Model Number
- NW-WS623
Sound
- Frequency Response
- 20-20000 Hz
- Frequency Response High Hz
- 20000 Hz
- Frequency Response Low Hz
- 20 Hz
More MP3 Players
See our top picks ›
