Ttbesmi K520

★★★★☆ 4.1 (71)

The 0.1oz earbuds feature a transformable heart-shaped case and a near-invisible fit specifically contoured for very small ear canals, using Bluetooth 5.3 for stable connectivity. Its IPX5 water resistance and 24-hour total battery life from the 800mAh case add practical durability to the novelty design. This product is best for young girls or women with small ears seeking a cute, low-cost accessory for casual listening and calls, not for users prioritizing music fidelity.

form factor in-ear
Wireless Yes
bluetooth version 5.3
battery life hours 4
case battery hours 24
water resistance IPX5
Ttbesmi K520 earbuds
32 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong build (92nd percentile) 92nd
  • Strong mic (84th percentile) 84th

Cons

  • Below average battery (19th percentile)
  • Below average comfort (30th percentile)
  • Below average sound (31st percentile)
  • Below average anc (32nd 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 cooled since launch
78/100Our AI sentiment readlow confidence · 9 sources · May 2026
1★2★3★4★5★Q3 '25: 5.0★ · 1 reviewQ4 '25: 4.8★ · 4 reviewsQ1 '26: 4.0★ · 4 reviews144Q3 '25Q4 '25Q1 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 9 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Anc 31.8
Mic 83.9
Build 91.9
Sound 31.1
Battery 18.5
Comfort 29.8
User Sentiment 50.3
Connectivity 62.6
Social Proof 52.4

Specifications

Full Specifications

Design

Form Factor in-ear
Wearing Style open ear

Audio

Codecs Heart Wireless Earbuds for Girls Kids, Cute Small Mini Tiny Invisible Earbuds Wireless Bluetooth for Small Ears Canals Women Rose Gold Kawai Blue Tooth Ear Buds for iPhone Android

Connectivity

Wireless Yes
Bluetooth 5.3

Earbud Battery

Battery Life 4
Charge Time 1.5
Charging USB-C

Case Battery

Case Battery 24
Case Charging USB-C

Microphone

Microphone Yes
Mic Count 2
NC Mic Yes

Features

Water Resistance IPX5

vs Competition

Spec Ttbesmi K520 Samsung Galaxy Buds3 Pro Sony WF-C700N WFC700N/B Soundcore P31i Nothing Ear (3) EarFun Air Pro 4+
Form Factor in-ear in-ear in-ear in-ear in-ear in-ear
Driver Type - dynamic dynamic dynamic dynamic hybrid
Wireless true true true true true true
Active Noise Cancellation - true true true true true
Bluetooth Version 5.3 5.4 5.2 6.0 5.4 6.0
Battery Life Hours 4 6 15 10 10 12
Case Battery Hours 24 26 15 50 19 54
Water Resistance IPX5 IP57 IPX4 IP55 Water-Resistant IP55
Multipoint - true true - true true
Compare Compare Compare Compare Compare
Product AncMicBuildSoundBatteryComfortUser SentimentConnectivitySocial Proof
Ttbesmi K520 31.883.991.931.118.529.850.362.652.4
Samsung Galaxy Buds3 Pro Compare 97.497.598.993.576.994.780.199.790.3
Sony WF-C700N WFC700N/B Compare 97.483.981.482.98273.897.289.973.1
Soundcore P31i Compare 90.697.591.997.494.273.897.287.590.3
Nothing Ear (3) Compare 93.597.573.393.877.894.780.110081.4
EarFun Air Pro 4+ Compare 97.497.591.999.89673.897.299.490.3

Price

Value & Pricing

From £35 1 offer across 1 retailer
Amazon.co.uk 1 offer From £35

Price History

£20 £25 £30 £35 £40 May 29Jul 18 £35

Usage Scores

Calls (26.2)Music (17.1)Overall (32.4)Budget (32.5)Gaming (29.7)Travel (18.6)Commute (17.1)Fitness (37.1)

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

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