TurboVS
Number Super Buds GT M9 specifications and in-depth review

Number Super Buds GT M9

Manufacturer: Number

The Number Super Buds GT M9 are true wireless in-ear earbuds designed for everyday use without cables or a neckband. They carry an IPX5 water-resistance rating, making them suitable for workouts and light outdoor activity. A built-in display on the device adds a practical touch, and the package includes a travel bag for convenient portability.

On the technical side, the GT M9 are equipped with active noise cancellation (ANC) alongside passive noise isolation, driven by 13 mm driver units covering a frequency range of 20 Hz to 20,000 Hz. Connectivity runs on Bluetooth 5.4 with a maximum range of 10 m, and charging is handled via USB Type-C with fast charging support. The earbuds deliver 8 hours of playtime per charge, with the charging case extending total listening time to 52 hours, and a full charge is reached in approximately 1.5 hours. Additional features include an ambient sound mode, a noise-canceling microphone, mute function, voice prompts, and headset capability.

Pros
  • Bluetooth 5.4 ensures a modern and stable wireless connection
  • Both active noise cancellation and passive noise reduction are included for layered sound isolation
  • The charging case extends total playback to 52 hours, allowing extended use between full recharges
  • Fast charging support reduces downtime when the battery runs low
  • A noise-canceling microphone helps maintain call clarity in noisy environments
  • A travel bag is included, adding practical value for on-the-go use
Cons
  • No support for advanced audio codecs such as LDAC, aptX, or AAC, which limits audio streaming quality options
  • Wireless charging is not available, requiring a cable for every recharge
  • There is no in/on-ear detection, so music will not pause automatically when the earbuds are removed
  • The maximum Bluetooth range is limited to 10 m
  • No find device feature is available, making it harder to locate misplaced earbuds
  • Fast pairing and NFC pairing are not supported, requiring manual Bluetooth connection each time
Who is this for?

These earbuds are a solid fit for users who want a wire-free listening experience with noise isolation during daily commutes, office work, or casual outdoor use. The IPX5 water resistance makes them practical for workouts or light rain exposure, and the combination of active noise cancellation and a noise-canceling microphone suits those who frequently take calls in moderately noisy environments. With 52 hours of total battery life and fast charging support, they also work well for users who need reliable all-day or multi-day use without constant recharging.

Who is this NOT for?

Users who prioritize high-resolution audio streaming will find these earbuds limiting, as no advanced codecs such as LDAC, aptX, or AAC are supported, restricting audio quality to standard Bluetooth transmission. They are also not well suited for those who rely on smart convenience features like automatic ear detection, fast pairing, or a find device function, as none of these are available. Additionally, listeners who want an immersive spatial audio experience will need to look elsewhere, since spatial audio, Dolby Atmos, and Dirac Virtuo are all absent.

Design:

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

The Number Super Buds GT M9 use an in-ear fit and operate as true wireless earbuds, meaning there are no cables or a neckband involved. They carry an IPX5 ingress protection rating, confirming water resistance suitable for active use. The earbuds support stereo playback and include a display, while they do not feature wingtips, RGB lighting, or a UV light.

Sound quality:

has active noise cancellation (ANC) ✓
has passive noise reduction ✓
driver unit size 13 mm
lowest frequency 20 Hz
highest frequency 20000 Hz
supports spatial audio ✕
has Dolby Atmos ✕
has Dirac Virtuo ✕
has a neodymium magnet ✕

The Number Super Buds GT M9 include both active noise cancellation (ANC) and passive noise reduction to help limit unwanted ambient sound. Audio is handled by 13 mm driver units with a frequency range spanning 20 Hz to 20,000 Hz. The earbuds do not support spatial audio, Dolby Atmos, or Dirac Virtuo, and they do not use a neodymium magnet in their driver construction.

Power:

Battery life 8 hours
Battery life of charging case 52 hours
charge time 1.5 hours
has wireless charging ✕
Has a solar power battery ✕
has a battery level indicator ✓
has a rechargeable battery ✓

The Number Super Buds GT M9 offer 8 hours of battery life per charge, with the charging case providing an additional 52 hours of total playback time. A full charge takes 1.5 hours, and the earbuds feature a rechargeable battery with a battery level indicator to keep track of remaining power. Wireless charging and solar power are not supported.

Connectivity:

has fast pairing ✕
Has USB Type-C ✓
Bluetooth version 5.4
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 Number Super Buds GT M9 connect wirelessly via Bluetooth 5.4 with a maximum range of 10 m, and charging is done through a USB Type-C port. The earbuds do not support fast pairing or NFC pairing, and no advanced audio codecs are available, including LDAC, LDHC, AAC, aptX, aptX HD, aptX Adaptive, aptX Low Latency, aptX Lossless, or aptX Voice. Bluetooth LE Audio and Auracast are likewise not supported.

Features:

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 Number Super Buds GT M9 include an ambient sound mode for awareness of surrounding audio, along with a mute function and voice prompts for hands-free feedback. They can be used as a headset and feature a control panel placed on the device, though there is no in-line control panel. Fast charging is supported, and a travel bag is included in the box. The earbuds do not offer in/on-ear detection, a find device feature, notification reading, a temperature sensor, or a built-in camera remote control.

Microphone:

has a noise-canceling microphone ✓

The Number Super Buds GT M9 are equipped with a noise-canceling microphone, which works to reduce background noise during calls and voice input.

Final Verdict

The Number Super Buds GT M9 present a well-rounded set of specifications for everyday wireless listening, anchored by a reliable Bluetooth 5.4 connection, dual-layer noise management through both active and passive noise reduction, and a combined 52-hour battery capacity that makes them genuinely practical for sustained daily use. The inclusion of fast charging, IPX5 water resistance, and a noise-canceling microphone adds functional depth that suits commuters, office users, and active listeners alike. That said, the absence of advanced audio codecs and smart convenience features means the GT M9 is best suited to users with straightforward audio needs rather than those seeking a feature-rich or audiophile-grade experience. For its intended use case, it delivers a coherent and capable package.

Popular Comparisons

Number Super Buds GT M9
Number Super Buds GT M9
VS
iQOO TWS 1
iQOO TWS 1