EarFun K2

★★★★★ 4.6 (3,248)

Its 85/94dB volume limiter meets WHO hearing safety guidelines, while the 40-hour battery and lightweight 175g foldable build make it practical for daily use. The CPC-certified, soft memory foam materials ensure a comfortable fit for younger ears without irritation. Best for parents seeking durable, volume-safe headphones for school, travel, or online learning.

form factor over-ear
driver size mm 40
impedance ohms 32
Wireless Yes
open closed back closed
bluetooth version 5.4
battery life hours 40
EarFun K2 headphones
62 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong comfort (100th percentile) 100th
  • Strong social proof (92th percentile) 92th
  • Strong sound (79th percentile) 79th
  • Strong build (77th percentile) 77th

Cons

  • Below average anc (30th percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews — so you can see whether early praise held up.

Owner sentiment has improved over time
85/100Our AI sentiment readmedium confidence · 13 sources · May 2026
1★2★3★4★5★Q4 '24: 4.0★ · 2 reviewsQ4 '25: 5.0★ · 4 reviewsQ1 '26: 4.8★ · 5 reviewsQ2 '26: 5.0★ · 2 reviews2452Q4 '24Q4 '25Q1 '26Q2 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 13 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Anc 30.4
Mic 43.8
Build 77.2
Sound 79.4
Battery 74.3
Comfort 99.7
User Sentiment 70.1
Connectivity 76.7
Social Proof 91.5

Specifications

Full Specifications

Design

Form Factor over-ear
Open/Closed closed
Foldable Yes
Weight 0.2 kg / 0.4 lbs
Ear Cushion memory foam
Headband memory foam

Audio

Driver Size 40
Impedance 32
Hi-Res Audio Yes
Codecs EarFun K2 Kids Bluetooth Headphones, Kids Headphones with Volume Limited, 40H Playtime, Built-in Mic, Stereo Sound, Foldable Over-Ear Headphone for School/Travel/iPad/Tablet, Green

Connectivity

Wireless Yes
Bluetooth 5.4
Wired Connector 3.5mm
Detachable Cable Yes

Battery

Battery Life 40
Charge Time 2.5
Charging USB-C

Microphone

Microphone Yes

Features

Volume Limiting Yes

vs Competition

Spec EarFun K2 Sony WH-1000XM6 WH-1000XM6 Bowers & Wilkins Px8 S2 Px8 S2 Sennheiser MOMENTUM 4 M4AEBT JBL Live 770NC Bose QuietComfort Ultra QuietComfort Ultra
Form Factor over-ear over-ear over-ear over-ear over-ear over-ear
Driver Type - dynamic dynamic Dynamic Dynamic Dynamic
Driver Size (mm) 40 30 40 42 40 -
Impedance Ohms 32 48 - 60 32 32
Wireless true true true true true true
Active Noise Cancellation - true true true true true
Open Closed Back closed closed closed closed closed closed
Bluetooth Version 5.4 5.3 5.3 5.2 5.3 5.3
Battery Life Hours 40 30 30 60 65 24
Compare Compare Compare Compare Compare
Product AncMicBuildSoundBatteryComfortUser SentimentConnectivitySocial Proof
EarFun K2 30.443.877.279.474.399.770.176.791.5
Sony WH-1000XM6 WH-1000XM6 Compare 97.591.392.490.172.279.3099.783.1
Bowers & Wilkins Px8 S2 Px8 S2 Compare 97.599.495.999.472.250.287.197.497.5
Sennheiser MOMENTUM 4 M4AEBT Compare 97.585.177.297.68979.3098.959.5
JBL Live 770NC Compare 97.578.597.284.891.550.270.199.991.5
Bose QuietComfort Ultra QuietComfort Ultra Compare 87.378.595.947.968.579.370.199.366.1

Price

Value & Pricing

From MX$974 1 offers across 1 retailers
Amazon.com.mx 1 offers From MX$974
MX$974

Usage Scores

Work (44.2)Calls (36.6)Music (57.7)Overall (62)Budget (65.8)Gaming (55.8)Studio (59.1)Commute (45.5)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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