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QCY Crossky C50 vs Tronsmart OpenFly 2 Pro: which should you buy?

On aggregated review scores the QCY Crossky C50 comes out ahead with a HearWiki score of 81. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: QCY Crossky C50 - Outstanding overall at around $40.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

QCY Crossky C50 leads on 4 of 6 measures.

  • QCY Crossky C50
  • Tronsmart OpenFly 2 Pro
HearWiki score
81
58
Sound
8.3
5.5
Battery
7.4
7.8
Calls
7.8
6.4
Value
9.2
7.2
Price (USD)
$40
$40

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Half a step newer

Both shipped in 2025. The Tronsmart OpenFly 2 Pro edges ahead on platform, but only just: Top codec LDAC against AAC. The QCY Crossky C50 answers on convenience features: it adds Wireless charging.

  • Crossky C502025
  • OpenFly 2 Pro2025
What differsCrossky C50OpenFly 2 Pro

Platform

Top codec
AAC
LDAC

Everyday features

Wireless charging
Yes
No

Level on: Bluetooth, Multipoint pairing, USB-C, Custom EQ, Companion app, Water resistance.

Specifications

Crossky C50OpenFly 2 Pro
Type
Open-Ear
Open-Ear
Price (USD)
$40
$40
HearWiki score
81
58
Released
2025
2025
Availability
Sold new
Sold new
Driver
10.8 mm dynamic
12 mm dynamic
Driver type
dynamic
dynamic
Driver size
10.8 mm
12 mm
Drivers per side
1
1
Frequency response
20 Hz - 20 kHz
20 Hz - 40 kHz
Sound signature
neutral
-
Impedance
-
32 Ω
Bluetooth
6.0
6.0
Codecs
SBC, AAC
SBC, LDAC
Multipoint pairing
Yes
Yes
Wireless range
10 m
10 m
Battery life
7.5 h
10 h
Battery incl. case
35 h
40 h
Full charge time
90 min
90 min
Quick charge
10 min → 2 h
-
Wireless charging
Yes
No
Active noise cancelling
No
No
ANC type
-
none
Transparency mode
-
Yes
Companion app
Yes
Yes
Custom EQ
Yes
Yes
Wear detection
-
No
Controls
touch
-
Weight
5.2 g
8.8 g
Case weight
-
74.5 g
Water resistance
IPX5
IPX5
USB-C
Yes
Yes
Microphones
4
4
Call noise reduction
Yes
Yes
Call NR technology
AI ENC
AI ENC

What reviewers said

QCY Crossky C50

The QCY Crossky C50 are open-ear clip-on earbuds that deliver solid everyday performance for a modest price. They combine a bass-leaning, practical sound with long battery life, multipoint connectivity, and a comfortable, secure fit that keeps you aware of your surroundings. While not aimed at audiophiles, they're a well-rounded, feature-packed option for budget-conscious listeners.

  • Pro:Comfortable, secure open-ear clip design
  • Pro:Long battery life with charging case
  • Pro:Multipoint pairing and Bluetooth 6.0
  • Con:No active noise cancellation
  • Con:Sound is more practical than premium
  • Con:Touch controls may be sensitive

Tronsmart OpenFly 2 Pro

The Tronsmart OpenFly 2 Pro offers a budget-friendly open-ear design with strong bass for its category, plus a comfortable, lightweight fit suited for long wear. It includes practical features like app-based EQ, LDAC support, and a 40-hour total battery life with the case, making it a solid everyday choice if you don't need noise isolation.

  • Pro:Strong bass for open-ear style
  • Pro:Comfortable and lightweight (8.8g per bud)
  • Pro:Long total battery life with case (40h)
  • Con:No active noise cancellation
  • Con:Output volume may be limited
  • Con:Open-ear design offers little isolation

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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