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Black in-ear wireless earbuds with charging case, matte finish, 53 grams

EarFun Air Pro 4+ TW700B Adaptive ANC Dual Driver Bluetooth 6.0 50dB 12h Black

SKU CH-4FMV-S4CHD

In-ear wireless earbuds with dual drivers, adaptive hybrid ANC up to 50 dB and Bluetooth 6.0 for 12-hour battery life

  • TypeIn-Ear
  • ColorBlack
  • Frequency Response5Hz-40KHz
  • THDIn Ear
  • Input Impedance32 ohms
  • Signal to Noise Ratio(SNR)100 decibels
  • Adaptive hybrid ANC cancels ambient noise up to 50dB
  • Dual-driver system with 10mm dynamic and balanced armature for precise soundstage
  • Qualcomm QCC3091 SoC enables aptX Lossless and LDAC codec support
  • Bluetooth 6.0 connectivity with 12-hour battery life per charge
  • AI real-time translation across 100+ languages via companion app

Hybrid dual-driver earbuds for critical listening

The EarFun Air Pro 4+ combines a 10mm composite dynamic driver with a FeatherBA balanced armature set at an 11-degree angle. This hybrid architecture targets accurate reproduction across a 5Hz-40KHz response range with 32-ohm impedance. Qualcomm QCC3091 silicon enables Snapdragon Sound aptX Lossless plus LDAC and LC3 codec support. Built for listeners who prioritise resolution over convenience features.

Adaptive ANC sustains up to 50dB reduction

QuietSmart 3.0 analyses ambient sound in real time and adjusts cancellation depth continuously rather than relying on a fixed profile. The 12-hour single-charge endurance holds with ANC active, while a 10-minute top-up returns useful playback time. Bluetooth 6.0 maintains a stable link during extended sessions. Buyers who need all-day battery without a case recharge should look elsewhere.

In-ear fit and app-dependent translation

Three ear-tip sizes are included to seal the 53-gram housings securely in each ear. The EarFun Audio app handles firmware updates, EQ presets and the 100-language AI translation modes; translation will not work without the latest app version. Touch controls cover playback, calls and ANC toggles. Users who dislike in-ear pressure or prefer physical buttons may find the fit fatiguing.

Highlights

  • Adaptive hybrid ANC cancels ambient noise up to 50dB
  • Dual-driver system with 10mm dynamic and balanced armature for precise soundstage
  • Qualcomm QCC3091 SoC enables aptX Lossless and LDAC codec support
  • Bluetooth 6.0 connectivity with 12-hour battery life per charge
  • AI real-time translation across 100+ languages via companion app

Specifications

BrandEarFun
ModelEarFun Air Pro 4+, TW700, TW700B
Part NumberTW700B
TypeIn-Ear
ColorBlack
Frequency Response5Hz-40KHz
THDIn Ear
Input Impedance32 ohms
Signal to Noise Ratio(SNR)100 decibels
Power Supplycell, false
Sensitivity100 decibels
Ear CouplingSingle Ear
Cord LengthCable
Weight53 grams
Noise CancellingActive
Wireless TypeBluetooth
Battery12 hours
Operating Time12 hours
Charge Time10 minutes
Contains Embedded Batterycell
Microphone Impedance~3K ohm
Microphone Frequency Response40Hz-20KHz
Microphone Signal to Noise Ratio(SNR)100 decibels
Microphone Sensitivity100 decibels
Featuresactive_noise_cancellation, 6, 12 hours, Retractable, Wireless, In Ear, balanced_armature_driver, 32 ohm, EarFun Air Pro 4+
Package ContentsEarFun Air Pro 4+, Charging Case, Cable, User Manual

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