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Itel S9 Pro specifications and in-depth review

Itel S9 Pro

Manufacturer: Itel

The Itel S9 Pro are true wireless earbuds built for everyday use, offering a completely cable-free experience in a compact in-ear design. They carry an IPX5 rating, making them sweat resistant and suitable for workouts or active daily wear. A travel bag is included in the box, and the earbuds support fast charging for quick top-ups when time is limited. With voice prompts, a mute function, and the ability to function as a headset, they cover the basics of both listening and hands-free communication. Controls are handled directly on the earbuds, keeping interaction straightforward without the need for an in-line remote.

The S9 Pro uses a 10 mm driver unit covering a frequency range of 20 Hz to 20,000 Hz, with passive noise reduction providing some degree of ambient sound blocking through the earbuds' physical fit. Active noise cancellation is not available. Connectivity runs on Bluetooth 5.3 with a 45 ms audio latency and a maximum range of 10 meters, though advanced codecs such as LDAC, AAC, and the aptX family are not supported. Charging is done via USB-C, and the built-in battery lasts up to 8 hours per charge, with the charging case extending total playback to 32 hours. A four-microphone array with noise cancellation rounds out the setup for clearer voice pickup during calls.

Pros
  • The charging case extends total playback to 32 hours, reducing how often the earbuds need a full recharge
  • Four microphones with noise cancellation provide more capable voice pickup for calls compared to a single-mic setup
  • Fast charging support allows the battery to be topped up quickly when time is short
  • A travel bag is included, making storage and carrying more convenient out of the box
  • IPX5 sweat resistance makes the earbuds suitable for workouts and active daily use
  • True wireless design eliminates all cables for a fully untethered listening experience
Cons
  • Active noise cancellation is absent, so the earbuds rely solely on passive noise isolation to block ambient sound
  • No advanced audio codecs are supported, including LDAC, AAC, and the full aptX family, limiting wireless audio transmission quality
  • Fast pairing and NFC pairing are not available, requiring manual Bluetooth pairing each time
  • There is no ambient sound mode, making it impossible to let in environmental audio without physically removing the earbuds
  • In-ear detection is not present, so music will not pause automatically when an earbud is taken out
Who is this for?

The Itel S9 Pro suits active users and commuters who want a fully wireless, cable-free experience with enough battery to last through long days, thanks to the 32-hour total playback provided by the earbuds and charging case combined. The IPX5 sweat resistance and secure in-ear fit make them a reasonable choice for gym sessions and outdoor activities. Users who frequently take calls will also benefit from the four-microphone setup with noise cancellation, which offers more capable voice pickup than simpler single-mic configurations. The included travel bag adds a practical touch for those who carry their earbuds on the go.

Who is this NOT for?

Users who are bothered by environmental noise will find the S9 Pro lacking, as there is no active noise cancellation and the earbuds rely entirely on passive isolation. Those who care about high-fidelity wireless audio will also be underserved, since the earbuds do not support any advanced codecs — LDAC, AAC, and the aptX family are all absent, leaving only standard Bluetooth audio transmission. The lack of ambient sound mode and in-ear detection makes them a poor fit for users who frequently need to stay aware of their surroundings or want playback to pause automatically when an earbud is removed.

Design:

Fit In-ear
Ingress Protection (IP) rating IPX5
water resistance Sweat resistant
has no wires or cables ✓
are neckband earbuds ✕
wingtips included ✕
has stereo speakers ✓

The Itel S9 Pro use an in-ear fit and are fully true wireless, with no cables or neckband involved. Stereo speakers are present on both sides, and the earbuds do not include wingtips. An IPX5 rating provides sweat resistance, making them suitable for use during physical activity without concern for moisture damage.

Sound quality:

has active noise cancellation (ANC) ✕
has passive noise reduction ✓
driver unit size 10 mm
lowest frequency 20 Hz
highest frequency 20000 Hz
has a neodymium magnet ✕

The S9 Pro is fitted with a 10 mm driver unit and operates across a frequency range of 20 Hz to 20,000 Hz. Passive noise reduction is present, offering a degree of ambient sound blocking through the physical seal of the earbuds in the ear. Active noise cancellation is not included, and the drivers do not make use of a neodymium magnet.

Power:

Battery life 8 hours
Battery life of charging case 32 hours
charge time 1.5 hours
has wireless charging ✕
has a battery level indicator ✓
has a rechargeable battery ✓

The S9 Pro carries a rechargeable battery that delivers 8 hours of playback per charge, with the charging case bringing total battery life up to 32 hours. A full charge takes 1.5 hours, and a battery level indicator is included to help users keep track of remaining power. Wireless charging is not supported, so the case must be charged via a wired connection.

Connectivity:

has fast pairing ✕
Has USB Type-C ✓
Bluetooth version 5.3
has LDAC ✕
has LDHC ✕
has aptX Adaptive ✕
has aptX Low Latency ✕
has aptX HD ✕
has aptX ✕
has aptX Lossless ✕
audio latency 45 ms
has aptX Voice ✕
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC ✕
Can be used wirelessly ✓
has AAC ✕

The S9 Pro connects wirelessly via Bluetooth 5.3 and reaches up to 10 meters in range, with an audio latency of 45 ms. Charging is handled through a USB-C port. None of the advanced audio codecs are available — LDAC, LDHC, AAC, and the entire aptX lineup including aptX HD, aptX Adaptive, aptX Low Latency, aptX Lossless, and aptX Voice are all absent. Fast pairing and NFC-based pairing are not supported, so the earbuds connect through the standard Bluetooth pairing process.

Features:

has ambient sound mode ✕
has in/on-ear detection ✕
has find device feature ✕
Supports fast charging ✓
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 ✕

The S9 Pro supports fast charging and includes voice prompts, a mute function, and the ability to function as a headset for calls. Playback and call controls are accessible via a panel on the earbuds themselves, though there is no in-line control option. A travel bag is included in the box for storage and portability. Ambient sound mode, in-ear detection, a find device feature, and a body temperature sensor are not part of the feature set.

Microphone:

number of microphones 4
has a noise-canceling microphone ✓

The S9 Pro is equipped with 4 microphones and includes noise cancellation on the microphone input, helping to reduce background sound for clearer voice pickup during calls and voice use.

Final Verdict

The Itel S9 Pro is a true wireless earbud that covers the essentials for everyday active use, with its most compelling attribute being the 32-hour total battery life provided by the earbuds and charging case together. The four-microphone noise-canceling setup adds genuine value for call-heavy users, and the IPX5 rating makes the earbuds a dependable companion during workouts. Where it falls short is in audio versatility — the absence of active noise cancellation and advanced streaming codecs means it is not equipped for users with more demanding sound or isolation requirements. For those whose priorities are wireless freedom, extended battery endurance, and reliable call performance, the S9 Pro represents a straightforward and functional choice.