Device Comparison
| Galaxy Buds4 Pro | Ultra Open Earbuds (2nd Gen) | |
|---|---|---|
| LAUNCH DATE | ||
| Released | — | 2026-10-01 |
| Status | — | Available |
| ADDITIONAL INFORMATION | ||
| Launch Price (USD) | $249.99 (reference only — see Price in Nigeria above for the actual retail price) | $299 (US launch price) |
| Notes | — | Personal Surround support with Bose Smart Soundbars removed versus 1st Gen |
| Price in Nigeria | ₦350,000 | ₦418,600 (estimate, converted from US launch price) |
| PRODUCT OVERVIEW | ||
| Brand | Samsung | Bose |
| Category | True Wireless Earbuds | Open-ear cuff true wireless earbuds |
| Launch Date | March 11, 2026 | September 17, 2026 |
| Model Name | Samsung Galaxy Buds4 Pro (SM-R640) | Ultra Open Earbuds (2nd Gen) |
| Price | $249.99 | $299 (US launch) |
| AUDIO SPECIFICATIONS | ||
| Driver Size | 11mm woofer + 5.5mm planar tweeter | — |
| Driver Type | 2-way system, dual amplifier (~20% larger woofer vs Buds3 Pro) | Improved dynamic driver (deeper bass, higher volume), Bose OpenAudio technology |
| Frequency Response | 20 Hz - 40,000 Hz | — |
| Sound Features | SSC-UHQ 24-bit/96kHz, Enhanced Adaptive EQ, Adaptive ANC 2.0, 360 Audio, Voice Detect, Siren Detect, Auracast | Spatial audio: Immersive Audio; Cinema Mode with Bose TrueSpatial head tracking |
| FEATURES AND SOFTWARE | ||
| Active Noise Cancellation (ANC) | Yes, Adaptive ANC 2.0 (5 strength settings) | No (open-ear) |
| App Support | Galaxy Wearable app, 9-band equalizer | Bose app |
| Customizable EQ | Yes, 9-band EQ | Yes, 3-band EQ in Bose app |
| Other Features | — | Auto Volume, 3-band EQ (Bose app); Google Fast Pair |
| Sound Modes | ANC / Ambient / Adaptive | Immersion Mode, Cinema Mode, Stereo |
| Touch Controls | Pinch/swipe stem + head gesture (nod/shake for calls) | No, physical button on each earbud (play/pause, track, volume, calls) |
| Transparency / Ambient Mode | Yes, plus Voice Detect / Siren Detect | — |
| Voice Assistant Support | Bixby, Google Gemini, Perplexity | Phone's native voice assistant (Alexa+ planned) |
| CONNECTIVITY AND INTEGRATION | ||
| Bluetooth Profiles | A2DP, AVRCP, HFP | — |
| Bluetooth Version | 6.1 | 5.4, range up to 30 ft (9 m) |
| Multipoint | Auto Switch across Galaxy ecosystem | Yes, two devices |
| Range | — | 9 m (30 ft) |
| Supported Codecs | SBC, AAC, LC3, SSC, SSC-UHQ (24-bit/96kHz) | SBC, AAC, aptX Adaptive (Snapdragon Sound) |
| Wired Mode | Not supported | — |
| BUILD AND DESIGN | ||
| Colors Available | Black, White, Pink Gold (online-exclusive) | Black, White Smoke, Cherry Chocolate, Olive Green, Sky Pink (last three limited edition) |
| Dimensions | Earbud 18.1 x 19.6 x 30.9mm; Case 51 x 51 x 28.3mm | Earbud: 18.9 x 17.7 x 27.7 mm; Case: 47.5 x 26.8 x 66.0 mm |
| Form Factor | Sealed canal-fit design with silicone ear tips, pinch-control stem | Open-ear cuff true wireless earbuds |
| Ingress Protection | IP57 (case not water-resistant) | IPX4 |
| Materials | Premium metal finish stem + plastic body | Polycarbonate and silicone; metallic cap with beveled finish; flex-joint cuff |
| Weight | 5.1g per earbud | 5.9 g (single earbud), 49.9 g (case) |
| BATTERY CAPACITY AND CHARGING | ||
| Battery Life (Standby) | — | Up to 20 hours (connected, no audio) |
| Charging Port | USB-C | USB-C, wireless charging case; full charge 1 hour |
| Device Battery Capacity | Earbud 61mAh; Case 530mAh | — |
| Fast Charging | — | 10 min = up to 2 hours |
| Total Playtime | Up to 7 hrs (ANC off) / 6 hrs (ANC on); 30 hrs / 26 hrs total with case | Earbuds: Up to 9 hours (up to 5 hours with Immersive Audio); With case: Up to 19.5 additional hours (28.5 hours total) |
| Wireless Charging | Yes, Qi-certified | Yes, Qi |
| MICROPHONES AND VOICE FEATURES | ||
| Hands-Free Calls Support | Yes, plus head-gesture accept/decline | Yes, Bose SpeechClarity |
| Mic Count | 6 total (High-SNR digital mics + stem-base mic) | 2 |
| Mic Type / Noise Reduction | High-SNR mics, Super Wideband call tech | 2 microphones, Bose SpeechClarity voice isolation |
| Voice Assistant Trigger | Bixby / Gemini / Perplexity, touch and head-gesture | — |
| BOX CONTENTS | ||
| Charging Cable | Not included | Not listed in box contents (power adapter not included) |
| Ear Tips (if earbuds) | 3 sizes silicone ear tips | No (open-ear cuff design) |
| Extras (cases, clips, mounts, etc.) | None notable | Charging case |
| Included Items | — | Earbuds, charging case, quick start guide, safety sheet (no power adapter) |
| Main Device | Earbuds + transparent clamshell case | 2 Ultra Open Earbuds (2nd Gen) |
| User Manual | Quick Start Guide | Quick start guide, safety sheet |
| Warranty Card | Included (2-year, US) | 1-year Bose limited warranty |
| COMPATIBILITY | ||
| Operating Systems | Android and iOS; SSC-UHQ requires One UI 6.1.1+ | Android, iOS (Bose app on Google Play and App Store); any Bluetooth device |
| Profiles Supported | A2DP, AVRCP, HFP | — |
| Supported Devices | Galaxy smartphones (full Galaxy AI incl. 360 Audio), other Android/iOS (basic) | Any Bluetooth-enabled phone, tablet or computer; preorders from 19 Sep 2026 |
| KEY HIGHLIGHT | ||
| Highlight | Samsung's2026 flagship with a ~20% larger woofer, Adaptive ANC 2.0, Bluetooth 6.1, and head-gesture call controls. | The Bose Ultra Open Earbuds (2nd Gen) are cuff-style open-ear earbuds with an improved driver for deeper bass, Bose OpenAudio, Immersive Audio and Cinema Mode with TrueSpatial head tracking. |