The Samsung Galaxy Buds 4 (Model SM-R540) are open-type, unsealed wireless earbuds featuring adaptive active noise cancellation and a 6-microphone system.
Key Specifications
- Model Number: SM-R540
- Design: Open-type / unsealed fit (no silicone ear tips), featuring a brushed metal stem finish
- Speaker: 1-way dynamic speaker (11 mm wide-range driver)
- Microphones: 6 total microphones with Deep Neural Network (DNN) background noise isolation
- Connectivity: Bluetooth 6.1
- Audio Codecs: SBC, AAC, and Samsung Seamless Codec (SSC) for up to 24-bit / 96 kHz high-resolution audio
- Noise Control: Adaptive Active Noise Cancellation (ANC), Adaptive Noise Control, and Ambient Sound
- Durability: IP54 water and dust resistance (splash and sweat protection)
- Battery Life: Up to 5 hours with ANC on (6 hours with ANC off); approx. 24 additional hours provided by the charging case
- Special Features: 360 Audio with head tracking, 9-band custom equalizer, AI interpreter mode, Auracast/OroCcast support, and head gesture controls
