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Tronsmart

Tronsmart SOUNFII Q20S Over-Ear Headphones White

SKU CH-ESNP-NKP7R

Over-ear headphones with hybrid active noise cancellation up to 40dB, Bluetooth 5.3, 60-hour battery, Hi-Res 40mm drivers, foldable design, and dual-device pairing

  • TypeHeadphones
  • ColorWhite
  • Driver Unit40mm
  • Frequency Response20Hz-20KHz
  • THD=1%
  • Input Impedance16 ohms
  • Hybrid ANC cuts ambient noise by 40dB
  • 40mm drivers deliver Hi-Res Audio detail
  • 90° rotating earcups with memory foam fit
  • 60-hour battery life with ANC off
  • Bluetooth 5.3 pairs two devices simultaneously

Hybrid Noise Cancellation for Commuters

The Tronsmart SOUNFII Q20S uses hybrid active noise cancellation with feedforward and feedback microphones to reduce ambient sound by up to 40dB. Over-ear memory foam earcups and a rotating headband adjust automatically for a secure fit. Bluetooth 5.3 provides a stable wireless link, while a 3.5mm AUX cable and Type-C port give wired fallbacks. The headphones fold flat for simple storage in a bag.

Foldable Build with Dual Connectivity

A lightweight frame at 0.57 Ibs combines with 90° swiveling earcups and a collapsible hinge so the set occupies minimal space when not worn. The 3.94 ft AUX cord plugs directly into the 3.5mm jack for passive listening when the battery is depleted. Type-C charging replenishes the cell quickly. Multipoint pairing keeps two devices connected simultaneously, letting you switch between a laptop and phone without repairing.

Upgrade from Basic Wireless Sets

Buyers moving up from entry-level Bluetooth headphones gain Hi-Res audio support through 40mm drivers and a claimed 3x detail improvement over standard codecs. Battery life reaches 60 hours with noise cancellation off, removing daily charging anxiety. Transparency mode lets outside sound in without removing the headset. This model does not suit listeners who require lossless wired transmission or professional-grade microphone isolation.

Highlights

  • Hybrid ANC cuts ambient noise by 40dB
  • 40mm drivers deliver Hi-Res Audio detail
  • 90° rotating earcups with memory foam fit
  • 60-hour battery life with ANC off
  • Bluetooth 5.3 pairs two devices simultaneously

Specifications

BrandTronsmart
SeriesSOUNFIl Series
ModelSOUNFII Q20S
Part NumberQ20S
TypeHeadphones
ColorWhite
Driver Unit40mm
Frequency Response20Hz-20KHz
THD=1%
Input Impedance16 ohms
Signal to Noise Ratio(SNR)=95dB
Power SupplyBattery
Sensitivity105±3dB
ConnectorType-C + 3.5mm AUX
Ear CouplingOver-Ear
Cord LengthAUX 3.94 ft
Weight0.57 Ibs
Noise CancellingActive Noise Cancellation (Hybrid)
Wireless TypeBluetooth 5.3
Battery60 h
Operating Time60 h
Charge Time2.5h
Distance49 ft
Contains Embedded BatteryYes
Microphone Impedance2.2kO
Microphone Frequency Response100Hz-10KHz
Microphone Signal to Noise Ratio(SNR)=60dB
Microphone Sensitivity-42±3dB
Compatibilityios, Android, Windows, MacOs
FeaturesActive Noise Cancellation, Hi-Res Audio, 40mm Driver, Bluetooth 5.3, Dual Device Pairing, Foldable Design, 60h Battery Life, 90° Swiveling Earpads, Tronsmart App Control
Windows VistaNO
Package ContentsHeadphones, Type-C Charging Cable, 3.5mm AUX Cable, User Manual

Questions about this item

What Bluetooth 5.3 multipoint capability does the SOUNFII Q20S support?

It pairs with two devices at once and switches audio between them without re-pairing.

How much space does the folded SOUNFII Q20S need in a bag?

The earcups swivel 90° and fold flat, so the headset collapses to a compact profile for travel.

What is the correct way to activate pairing mode on the SOUNFII Q20S?

Hold the power button until the indicator flashes red and blue; a quick press only turns the unit on.

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