Tronsmart OpenFly 2 Pro specifications and in-depth review

Tronsmart OpenFly 2 Pro

Manufacturer: Tronsmart

The Tronsmart OpenFly 2 Pro are wireless earbuds designed for those seeking a comfortable, open-ear fit. Featuring a lightweight build of just 17.6 grams, these earbuds offer a natural listening experience without the need for wires. With IPX5 water resistance, they are ready to handle sweat and light rain, making them suitable for active use.

These earbuds come with a 12mm driver unit for a wide frequency range from 20 Hz to 20,000 Hz. With a total battery life of 40 hours—10 hours in the earbuds and 30 hours in the charging case—along with a quick 1.5-hour charge time, the OpenFly 2 Pro ensures uninterrupted listening. The earbuds also feature Bluetooth 5.3 for stable connections up to 10 meters and include a noise-canceling microphone for clear calls.

Pros
  • Lightweight design at just 17.6 grams, ensuring comfortable long-term wear.
  • IPX5 water resistance, making the earbuds suitable for workouts and outdoor use.
  • Equipped with 4 microphones and noise-canceling technology for clear call quality.
  • Fast charging support, allowing for quick recharges in 1.5 hours.
  • Includes a travel bag for convenient storage and portability.
Cons
  • Does not feature active or passive noise cancellation for blocking out external sounds.
  • Lacks support for advanced audio technologies like Dolby Atmos, LDAC, or aptX.
  • No wireless charging support for added convenience.
  • Does not support fast pairing or NFC Bluetooth pairing.
Who is this for?

The Tronsmart OpenFly 2 Pro earbuds are ideal for users who prioritize comfort and durability during active use, thanks to their lightweight design of just 17.6 grams and IPX5 water resistance, making them well-suited for workouts and outdoor activities. The inclusion of a noise-canceling microphone also enhances call quality, making them a good choice for individuals who frequently take calls while on the go.

Who is this NOT for?

These earbuds may not be ideal for users seeking advanced audio features or complete isolation from external noise, as they lack active noise cancellation and support for high-end audio technologies like Dolby Atmos or LDAC. Additionally, the absence of wireless charging and fast pairing might be a drawback for those looking for more convenience and seamless connectivity.

Design:

Fit Open-ear
Ingress Protection (IP) rating IPX5
water resistance Water resistant
weight 17.6 g
has no wires or cables
are neckband earbuds
wingtips included
has RGB lighting
has stereo speakers
has UV light
Has a display

The Tronsmart OpenFly 2 Pro earbuds feature an open-ear fit for a comfortable listening experience without fully covering the ears. With a lightweight design of just 17.6 grams, they are easy to wear for extended periods. The earbuds are also water resistant with an IPX5 rating, offering protection against sweat and light rain. They come equipped with wingtips for added stability during movement, and being true wireless, they have no cables or neckband.

Sound quality:

has active noise cancellation (ANC)
has passive noise reduction
driver unit size 12 mm
lowest frequency 20 Hz
highest frequency 20000 Hz
supports spatial audio
has Dolby Atmos
has Dirac Virtuo
has a neodymium magnet

The Tronsmart OpenFly 2 Pro earbuds are equipped with a 12mm driver unit, delivering a frequency range from 20 Hz to 20,000 Hz for clear sound across low and high frequencies. While these earbuds do not feature active or passive noise cancellation, nor support spatial audio or Dolby Atmos, they are designed for those who enjoy straightforward audio without additional enhancements like Dirac Virtuo or neodymium magnets.

Power:

Battery life 10 hours
Battery life of charging case 30 hours
charge time 1.5 hours
has wireless charging
Has a solar power battery
has a battery level indicator
has a rechargeable battery

The Tronsmart OpenFly 2 Pro earbuds offer up to 10 hours of battery life on a single charge, and the included charging case provides an additional 30 hours of use. Recharging takes just 1.5 hours, ensuring minimal downtime. These earbuds feature a rechargeable battery and include a battery level indicator, but they do not support wireless charging or solar power.

Connectivity:

has fast pairing
Has USB Type-C
Bluetooth version 5.3
has LDAC
has LDHC
has Bluetooth LE Audio
has aptX Adaptive
has aptX Low Latency
has aptX HD
has aptX
has aptX Lossless
has aptX Voice
has Auracast
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC
Can be used wirelessly
has AAC

The Tronsmart OpenFly 2 Pro earbuds feature Bluetooth 5.3 for stable and efficient wireless connections with a maximum range of 10 meters. While they do not support fast pairing, NFC pairing, or high-resolution codecs like LDAC or aptX, these earbuds can be used wirelessly and offer USB Type-C connectivity for charging.

Features:

release date April 2025
has ambient sound mode
has in/on-ear detection
has find device feature
Supports fast charging
can read notifications
has a mute function
can be used as a headset
control panel placed on a device
Has voice prompts
travel bag is included
Has an in-line control panel
Has a temperature sensor
Has a built-in camera remote control function

The Tronsmart OpenFly 2 Pro earbuds include several practical features, such as fast charging support, allowing for quick power-ups when needed. They also offer a mute function and can be used as a headset for calls. Additionally, the earbuds come with a travel bag for easy storage and portability, and they provide voice prompts for enhanced user interaction. However, they do not have features like ambient sound mode, in-ear detection, or the ability to read notifications.

Microphone:

number of microphones 4
has a noise-canceling microphone

The Tronsmart OpenFly 2 Pro earbuds feature a total of 4 microphones, equipped with noise-canceling technology to ensure clear voice capture during calls and conversations, reducing background noise effectively.

Final Verdict

The Tronsmart OpenFly 2 Pro earbuds are a solid option for users seeking a comfortable, lightweight, and water-resistant design for active use. With a noise-canceling microphone and long battery life, they are well-suited for calls and outdoor activities. However, the lack of advanced audio features like active noise cancellation and support for high-quality audio codecs may limit their appeal for audiophiles or those seeking a more immersive sound experience. Overall, these earbuds provide excellent value for users looking for a practical, durable, and functional option for everyday use.

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