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HearWiki
FIIL KeyImage © versus.com

FIIL Key

53/ 100
Average
HearWiki score

Pricey for what it is

$75
typical price, USD
Discontinuedupdated
Buy now onAmazon

At a glance

Brand
FIIL
Type
True Wireless
Fit
-
Connection
Wireless
Noise cancelling
No
Released
2022

Score breakdownaverage overall

Sound5.7
Battery4.2
Calls5.2

The FIIL Key is a true wireless earbud with a 13.1mm titanium dynamic driver, Bluetooth 5.3, and a compact charging case. It offers up to 24 hours total battery life and features touch controls with low latency modes.

The HearWiki takeAI-condensed

The FIIL Key is a budget-friendly true wireless earbud with a semi-in-ear design, featuring a 13mm dynamic driver and Bluetooth 5.3 with multipoint support. It offers solid battery life, IPX4 sweat resistance, and app-based touch controls, making it a practical choice for everyday listening without active noise cancellation.

What works

  • Compact and lightweight semi-in-ear fit
  • Good battery life with charging case
  • Bluetooth 5.3 with multipoint connection
  • IPX4 water resistance for workouts

What doesn't

  • No active noise cancellation
  • No wireless charging support
  • Limited codec support (SBC/AAC only)

Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.

Specifications

Audio - FIIL Key
Driver13 mm dynamic
Driver typedynamic
Driver size13 mm
Drivers per side1
Frequency response15 Hz - 22 kHz
Impedance32 Ω
Sensitivity124 dB/mW

Where to buy

Retailers we matched to this exact model. Prices are periodic snapshots - the link always opens the retailer's current listing.

What the reviews said

3 source(s) feeding this product's score.

head-fi.org

The review consensus on Head-Fi is that the FIIL Key is a compact semi-in-ear true wireless set with a punchy 13 mm driver, IPX4 protection, and useful app-based controls. It is positioned as a budget-friendly model with solid battery life and a feature set that includes AAC/SBC support, dual-mic ENC, and low-latency gaming modes.

Read the full review

iemsandmusic.com

This review frames the FIIL Key as an affordable earbud with generally complete specifications for the class, including a 13.1 mm titanium driver, Bluetooth 5.3, and dual-mic calling support. The overall impression is that it offers a capable feature set and respectable endurance for everyday listening.

Read the full review

qucox.com

Qucox describes the FIIL Key as a balanced all-round performer, highlighting its Bluetooth 5.3 connection, AAC/SBC codec support, 13 mm dynamic driver, and IPX4 rating. The published summary emphasizes decent battery life and a competitive price rather than standout audiophile performance.

Read the full review

What YouTube reviewers say

Video reviews we found, each condensed to its verdict. They do feed the HearWiki score, at a measured weight below what a published written review carries.

Summaries are AI condensations of each video's own conclusion, not transcripts. Titles, thumbnails and view counts belong to their channels.

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Where it sits in our rankings

The data-driven guides this model qualifies for.