Jxrev J51

★★★★☆ 4.3 (19,245)

Equipped with a latest-generation Bluetooth 5.4 chip and 13mm dynamic drivers, these earbuds deliver a stable connection and emphasized bass response. The standout feature is their ultra-light 3g per earbud design and IPX7 waterproof rating, making them exceptionally comfortable and durable for intense exercise. This pair is best for budget-conscious gym-goers and runners who prioritize a secure, barely-there fit and sweat resistance over critical listening.

form factor in-ear
driver type dynamic
Wireless はい
active noise cancellation はい
bluetooth version 5.4
battery life hours 7
case battery hours 32
water resistance IPX7
Jxrev J51 earbuds
69 総合スコア

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概要

The 30-Second Version

The Jxrev J51 nails comfort and battery for very little money, but the case is maddening and the ANC doesn't work. Buy them for casual listening if you can snag them under $20, just know you'll be fighting the case daily.

Pros & Cons

長所

  • Incredibly comfortable, especially for smaller ears 95th
  • Battery lasts nearly a full workday and the case adds plenty more 90th
  • Bluetooth 5.4 pairs instantly and stays mostly stable 82nd
  • Sound is warm and bassy, surprisingly good for the price 81st

短所

  • Nearly impossible to pry out of the charging case at first
  • ANC exists on paper but doesn't actually reduce much noise
  • Microphone is weak for calls, often picks up background noise
  • Hard plastic build feels cheap and some may find them loose during exercise

オーナーの声

The Word on the Street

4.3/5 (19245 reviews)
👍 Many owners are surprised by how good the sound and battery are at this price
👎 A recurring frustration is the near-impossible task of getting the earbuds out of the case
🤔 Fit works great for small ears but can be insecure during workouts for others

購入者の評価が時間とともにどう変化したか

独自

顧客が実際にレビューを書いた時期に基づいています。発売当初の高評価が続いたかどうかがわかります。

発売以降、購入者の評価は低下しています
82/100当社のAIによる感情分析信頼度: 中 · 25 件のソース · 2026年7月
1★2★3★4★5★Q3 '22: 5.0★ · 2 レビューQ4 '22: 5.0★ · 2 レビューQ1 '23: 5.0★ · 2 レビューQ3 '23: 5.0★ · 1 レビューQ3 '24: 4.0★ · 1 レビューQ4 '24: 3.0★ · 1 レビューQ1 '25: 5.0★ · 1 レビューQ4 '25: 5.0★ · 1 レビューQ1 '26: 4.7★ · 6 レビューQ2 '26: 4.5★ · 2 レビュー2221111162Q3 '22Q4 '22Q1 '23Q3 '23Q3 '24Q4 '24Q1 '25Q4 '25Q1 '26Q2 '26
平均評価満足(4〜5★)不満(1〜2★)バーの高さ = レビュー件数

日付のある顧客レビュー 19 件を暦四半期ごとに集計しています。期間別の分析は英語です。

実証データ

Performance

The 13mm drivers push a warm, bass-heavy sound that sits well above average for the price bracket. Battery life is strong, with 7 hours on the buds and 32 total in the case, and USB-C fast charging tops things off quick. The ANC is listed, but don't get excited. Owners consistently report it's mostly marketing, doing little to hush the outside world. Bluetooth 5.4 pairs fast, though you might get the occasional dropout. Call quality is rough; the mics pick up too much background noise, so don't plan conference calls on these. Build quality is where things dip hard, cheap plastic and a case you'll want to throw across the room when you can't pry the buds out.

Performance Percentiles

Anc 89.6
Mic 82
Build 33.9
Sound 78.5
Battery 79.6
Comfort 94.7
User Sentiment 65.7
Connectivity 72.3
ユーザー評価 81.1

Specifications

Full Specifications

Design

Form Factor in-ear
Wearing Style true wireless
Weight 0.0 kg / 0.1 lbs

Audio

Driver Type dynamic
Driver Size 13
Impedance 40
Hi-Res Audio Yes
Codecs Wireless Earbuds, Bluetooth 5.4 Earbuds Stereo Bass, Bluetooth Headphones in Ear Noise Cancelling Mic, Earphones IP7 Waterproof Sports, 32H Playtime USB C Charging Case Red Ear Buds for Android iOS

Noise Control

ANC Yes
ANC Type adaptive
Transparency No

Connectivity

Wireless Yes
Bluetooth 5.4

Earbud Battery

Battery Life 7
Charge Time 1
Fast Charging USB-C fast charging
Charging USB-C

Case Battery

Case Battery 32
Case Charging USB-C

Microphone

Microphone Yes
Mic Count 2
NC Mic Yes

Features

Voice Assistant ✓
Touch Controls Yes
Water Resistance IPX7

vs Competition

Against the JLab GO POP ANC, the J51 wins on comfort but loses on build and touch control reliability. The Soundcore P31i has more honest ANC and better call quality. If fitness is your thing, the JBL Endurance Race 2 fits more securely and handles sweat better, even if it costs a bit more. The EarFun Air Pro 4i outclasses the J51 in microphone clarity, but these are often pricier. For the absolute lowest spend, the J51 holds its own, but spending another $10-20 sidesteps most of its flaws. If you're eyeing the premium end, the Technics EAH-AZ100 and Sony WF-1000XM6 are in a different universe entirely, but they make the J51's rough edges feel even sharper by comparison.

Spec Jxrev J51 Technics EAH-AZ100 EAH-AZ100-N Sony WF-1000XM6 Apple AirPods Pro 3rd Generation Nothing Buds 2 Samsung Galaxy Buds3 Pro
Form Factor in-ear in-ear in-ear in-ear in-ear in-ear
Driver Type dynamic dynamic dynamic dynamic dynamic dynamic
Wireless true true true true true true
Active Noise Cancellation true true true true true true
Bluetooth Version 5.4 5.3 5.3 5.3 5.4 5.4
Battery Life Hours 7 8 8 8 13.5 6
Case Battery Hours 32 28 24 24 55 26
Water Resistance IPX7 IPX4 IPX4 IP57 IP55 IP57
Multipoint - true true true true true
Compare Compare Compare Compare Compare
製品 AncMicBuildSoundBatteryComfortUser SentimentConnectivityユーザー評価
Jxrev J51 89.68233.978.579.694.765.772.381.1
Technics EAH-AZ100 EAH-AZ100-N Compare 97.297.579.39978.87297.299.881.1
Sony WF-1000XM6 Compare 97.299.879.388.475.57280.399.181.1
Apple AirPods Pro 3rd Generation Compare 97.28298.890.775.594.732.499.699.3
Nothing Buds 2 Compare 9397.591.281.895.5729296.981.1
Samsung Galaxy Buds3 Pro Compare 97.297.598.89372.994.732.499.690

価格

Value & Pricing

At under $20, you're getting a lot of comfort and battery for not much cash. The sound quality is genuinely enjoyable for casual listening, and that tiny case slips into any pocket. But you have to accept the big annoyances: a frustrating case design, fake-feeling ANC, and a build that won't survive rough handling. If you can live with those, it's a solid value, just don't expect miracles.

詳細情報

Overview

The Jxrev J51 is one of those rare budget finds that gets a few things spectacularly right and a few things spectacularly wrong. It's tiny, it's bright yellow, and it's shockingly comfortable, especially if you've got smaller ears. You'll get a full workday of battery and decent-enough sound for the price. But the very first thing you'll do is fight the case, and that tussle sets the tone.

Common Questions

Q: Does the active noise cancellation actually work?

Not really. Despite being listed as ANC, user feedback and our testing show it's more like very light passive isolation. Don't count on it to block out much background hum.

Q: Are these earbuds good for running and gym workouts?

They have an IP7 waterproof rating, which is great for sweat, but the fit can be insecure for some during movement. If they stay in your ears, they'll survive, but a more secure sports design might work better.

Q: Can I use them for phone calls?

We wouldn't recommend it. The microphone quality is below average and tends to pick up a lot of environmental noise, so your voice may sound distant to callers.

Who Should Skip This

If you need clear call quality or actual noise cancellation, skip these. Runners and gym-goers with larger ears might find them slipping out, and anyone who values build quality will be disappointed by the cheap plastic and painful case. Spend a touch more for fewer headaches.

Verdict

Grab these if you want dirt-cheap earbuds for podcasts and background music and don't mind wrestling the case open every time. The comfort is genuinely top-tier, but the rough edges make them a tough sell for anyone needing reliable calls or real ANC. With the price bump, the case frustration stings a little more.

Usage Scores

Calls (52.5)Music (54.7)総合 (69.4)Budget (74.2)ゲーム (62)Travel (58.4)Commute (60.7)Fitness (43.1)

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