MP3 Players
JadeAudio /FiiO JM21 Android 13 Hi-Res
7.5/10SoundGuys scoreRead our review ›
$179.99at Amazon
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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 37).
Bluetooth
YesMost commonTrue87%False13%
True is the most common — on 87% of the 31 mp3 players we've cataloged (of 37).
Expandable Storage
NoTrue76%False24%
False appears on 24% of the 25 mp3 players we've cataloged (of 37).
Battery Life Typical
12 hBelow average12 h
6 h56 h
below average for mp3 players — based on 21 of 37 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
Release
- Date
- 2017-06
- Msrp Usd
- 149 USD
- Year
- 2017
Sound
- Frequency Response
- 20-20000 Hz
- Frequency Response High Hz
- 20000 Hz
- Frequency Response Low Hz
- 20 Hz
Features & Opinions
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Adam BirneyManaging EditorWired headphones are making a comeback: Here's whyIt's about time wired earbuds and headphones had their redemption moment.
Lil KatzContributor
Dave CarrVideo Producer/WriterClip-on earbuds fixed my biggest issue with open-earsClip-on earbuds offer a secure fit, better sound, and zero pressure.Brady SnyderContributorI ditched my AirPods Pro 3 for Sony's WF-1000XM6 and only lasted a weekI thought the more expensive earbuds would win. I was wrong.Dave CarrVideo Producer/Writer3 headphones I would buy instead of the AirPods Max 2These premium headphones deliver class-leading ANC, longer battery life, and more flexibility for less money.Dave CarrVideo Producer/WriterSony somehow made the name of its new headphones even worseNobody knows what it means, but it's provocative.Adam BirneyManaging EditorWired headphones are making a comeback: Here's whyIt's about time wired earbuds and headphones had their redemption moment.Lil KatzContributorMore MP3 Players
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