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FiiO UTWS51 / 4
FiiO

FiiO UTWS5

Current price · Amazon US
$175.99
Check Price on Amazon

Price last checked 1d ago

Key specs

Battery Life Earbuds
8 hAbove average
8 h
3 h16 h

above average for wireless earbuds — based on 243 of 271 we've cataloged.

Battery Life With Case
20 hBelow average
20 h
7 h60 h

below average for wireless earbuds — based on 245 of 271 we've cataloged.

IP Rating
IPX4Most common
IPX433%IP5516%IP5415%IPX512%

IPX4 is the most common — on 33% of the 244 wireless earbuds we've cataloged (of 271).

Battery

Battery Life Earbuds
8 h
Battery Life With Case
20 h
Charging Method
USB-C + Wireless
Full Charge Minutes
1.5 min
Charging Case Capacity
1350 mAh
Fast Charging
No

Build

IP Rating
IPX4
Sweat Resistance
Yes
Water Resistance
Yes
Material Case
Aluminum alloy
Material Chassis Primary
Plastic

Connectivity

Bluetooth Version
5.2
Bluetooth Codec
SBC, AAC, aptX, aptX Adaptive, LDAC, LHDC
Connection Type
Bluetooth
Latency
40 ms
Multipoint Devices
2 devices

Design

Earbud Form Factor
In-ear
Case Dimensions
11×36×62 mm
Wearing Style
Ear hook
Weight Per Earbud
8 g
Weight With Case
125.5 g

Features

Companion App
IOS + Android
Control Type
Physical buttons
Eq Customization
Full parametric EQ
Gaming Mode
Ultra-low latency
Auto Connect
Yes
Mono Mode
Yes

Microphone

Count
2
Noise Reduction Type
Environmental noise cancellation
Type
Dual microphone

Sound

Ambient Mode
Standard
Driver Count
1
Frequency Response
20-40000 Hz
Frequency Response High Hz
40000 Hz
Frequency Response Low Hz
20 Hz
Frequency Response Signature
Neutral
Adaptive Anc
No

SoundGuys review

Read the full review ›
SOUNDGUYS rating
8.1/ 10
Recommended
Jhaycee Calvez
Reviewed byJhaycee CalvezVideo Producer/WriterReviewed December 2025
Comfort & fit8.5
Connectivity9.0
Design7.5
Portability8.0
Features8.0
Value8.5
The verdict

The Fiio UTWS5 is for those who need to listen to high-fidelity music with the convenience of wireless. However, you're stuck with either 2-pin or mmxc and a short battery life.

✓What we like
✓Price
✓Snapdragon Sound
✓Fit
✕What could be better
✕Battery life
✕Single connector option
✕Bulky case
Read the full SoundGuys review →

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