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LAUNCH DATE2 fields
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Released | 2026-10-01 | 2026-09-03 |
| Status | Available | Available |
ADDITIONAL INFORMATION3 fields
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Launch Price (USD) | $299 (US launch price) | $299.95 (US launch price) |
| Notes | Personal Surround support with Bose Smart Soundbars removed versus 1st Gen | — |
| Price in Nigeria | ₦418,600 (estimate, converted from US launch price) | ₦419,900 (estimate, converted from US launch price) |
PRODUCT OVERVIEW5 fields
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Brand | Bose | Sennheiser |
| Category | Open-ear cuff true wireless earbuds | In-ear true wireless earbuds |
| Launch Date | September 17, 2026 | August 20, 2026 |
| Model Name | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
| Price | $299 (US launch) | $299.95 (US launch) |
AUDIO SPECIFICATIONS4 fields
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Driver Size | — | 7 mm |
| Driver Type | Improved dynamic driver (deeper bass, higher volume), Bose OpenAudio technology | 7 mm TrueResponse dynamic driver |
| Frequency Response | — | 5 Hz - 21 kHz |
| Sound Features | Spatial audio: Immersive Audio; Cinema Mode with Bose TrueSpatial head tracking | Up to 24-bit/96 kHz (lossless) |
FEATURES AND SOFTWARE8 fields
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Active Noise Cancellation (ANC) | No (open-ear) | Yes, hybrid adaptive ANC with adaptive anti-wind |
| App Support | Bose app | Sennheiser Smart Control Plus |
| Customizable EQ | Yes, 3-band EQ in Bose app | Yes, 8-band graphic EQ in Smart Control Plus app |
| Other Features | Auto Volume, 3-band EQ (Bose app); Google Fast Pair | 8-band graphic EQ, sound personalization (developed with Fraunhofer Institute), Dolby Atmos with head tracking, low-latency gaming mode; Google Fast Pair, Microsoft Swift Pair |
| Sound Modes | Immersion Mode, Cinema Mode, Stereo | Sound Personalization, genre presets, Dolby Atmos with head tracking, low-latency gaming mode |
| Touch Controls | No, physical button on each earbud (play/pause, track, volume, calls) | — |
| Transparency / Ambient Mode | — | Yes, Natural Transparency mode with anti-occlusion compensation |
| Voice Assistant Support | Phone's native voice assistant (Alexa+ planned) | — |
CONNECTIVITY AND INTEGRATION4 fields
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Bluetooth Version | 5.4, range up to 30 ft (9 m) | 6.0, class 1 |
| Multipoint | Yes, two devices | Yes |
| Range | 9 m (30 ft) | — |
| Supported Codecs | SBC, AAC, aptX Adaptive (Snapdragon Sound) | SBC, AAC, aptX, aptX Adaptive, aptX Lossless |
BUILD AND DESIGN6 fields
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Colors Available | Black, White Smoke, Cherry Chocolate, Olive Green, Sky Pink (last three limited edition) | Graphite, Cream, Copper, Denim, Lavender |
| Dimensions | Earbud: 18.9 x 17.7 x 27.7 mm; Case: 47.5 x 26.8 x 66.0 mm | Case with earbuds: 67.2 x 48.4 x 25.0 mm |
| Form Factor | Open-ear cuff true wireless earbuds | In-ear true wireless earbuds |
| Ingress Protection | IPX4 | IP54 (earbuds only) |
| Materials | Polycarbonate and silicone; metallic cap with beveled finish; flex-joint cuff | — |
| Weight | 5.9 g (single earbud), 49.9 g (case) | 7 g (single earbud), 55 g (charging case), 62 g (total) |
BATTERY CAPACITY AND CHARGING7 fields
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Battery Life (Standby) | Up to 20 hours (connected, no audio) | — |
| Battery Type | — | Li-Ion, user-replaceable |
| Charging Port | USB-C, wireless charging case; full charge 1 hour | Qi wireless charging (v2.1); full charge approx. 1.5 hours |
| Device Battery Capacity | — | 72 mAh (each earbud), 760 mAh (case) |
| Fast Charging | 10 min = up to 2 hours | 8 min = 1 hour playback |
| Total Playtime | Earbuds: Up to 9 hours (up to 5 hours with Immersive Audio); With case: Up to 19.5 additional hours (28.5 hours total) | Earbuds: Up to 12 hours (ANC off), up to 6 hours (ANC on); With case: Up to 40 hours |
| Wireless Charging | Yes, Qi | Yes, Qi |
MICROPHONES AND VOICE FEATURES3 fields
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Hands-Free Calls Support | Yes, Bose SpeechClarity | Yes |
| Mic Count | 2 | 4 |
| Mic Type / Noise Reduction | 2 microphones, Bose SpeechClarity voice isolation | 4 mics per earbud incl. bone-conduction mic; AI and beamforming de-noising |
BOX CONTENTS7 fields
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Charging Cable | Not listed in box contents (power adapter not included) | Yes, USB-C charging cable |
| Ear Tips (if earbuds) | No (open-ear cuff design) | XS, S, M, L ear tips |
| Extras (cases, clips, mounts, etc.) | Charging case | Charging case, battery replacement tool |
| Included Items | Earbuds, charging case, quick start guide, safety sheet (no power adapter) | — |
| Main Device | 2 Ultra Open Earbuds (2nd Gen) | One pair of MOMENTUM True Wireless 5 earbuds |
| User Manual | Quick start guide, safety sheet | Yes, documentation |
| Warranty Card | 1-year Bose limited warranty | 1-year manufacturer warranty |
COMPATIBILITY2 fields
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Operating Systems | Android, iOS (Bose app on Google Play and App Store); any Bluetooth device | Android, iOS |
| Supported Devices | Any Bluetooth-enabled phone, tablet or computer; preorders from 19 Sep 2026 | Bluetooth devices; Google Fast Pair (Android), Microsoft Swift Pair (Windows) |
KEY HIGHLIGHT1 field
| Specification | Ultra Open Earbuds (2nd Gen) | MOMENTUM True Wireless 5 |
|---|---|---|
| Highlight | 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. | The Sennheiser MOMENTUM True Wireless 5 are premium earbuds with 7 mm TrueResponse dynamic drivers, hybrid adaptive ANC and support for aptX Adaptive/Lossless over Bluetooth 6.0. |