Bose QuietComfort Earbuds II vs Bose Ultra Open Earbuds
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Bose QuietComfort Earbuds II |  Bose Ultra Open Earbuds |
|---|---|---|
| Price | KSh 35,000 | KSh 31,500 |
| Connection | Bluetooth | Bluetooth |
| Active Noise Cancellation | Adjustable ANC with CustomTune | No |
| Battery Life | Up to 6 hours; up to 24 hours with charging case | Up to 7.5 hours; 27 hours total with charging case |
| Water & Dust Resistance | IPX4 earbuds | IPX4 earbuds |
| Weight | 6.24g per earbud | 6.5g per earbud; 44g case |
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Full specifications
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General
| Specification | Bose QuietComfort Earbuds II | Bose Ultra Open Earbuds |
|---|---|---|
| Brand | Bose | Bose |
| Model | QuietComfort Earbuds II | Ultra Open Earbuds |
| Announced | 2022 | 2024 |
| Type | True Wireless In-Ear Earbuds | Open-Ear True Wireless Earbuds |
| Color | Official colorways vary by market and selected variant | Official colorways vary by market and selected variant |
Design
| Specification | Bose QuietComfort Earbuds II | Bose Ultra Open Earbuds |
|---|---|---|
| Weight | 6.24g per earbud | 6.5g per earbud; 44g case |
| Dimensions | — | Earbud 18.5 x 17 x 27.2mm; case 41.9 x 65 x 26.4mm |
Battery & Charging
| Specification | Bose QuietComfort Earbuds II | Bose Ultra Open Earbuds |
|---|---|---|
| Battery Life | Up to 6 hours; up to 24 hours with charging case | Up to 7.5 hours; 27 hours total with charging case |
| Charging Time | 1 hour earbuds; 3 hours case | 1 hour earbuds |
| Fast Charging | 20 minutes provides up to 2 hours | 10 minutes provides up to 2 hours |
| Charging Port | USB-C (case) | USB-C (case) |
| Wireless Charging | No | No |
Connectivity
| Specification | Bose QuietComfort Earbuds II | Bose Ultra Open Earbuds |
|---|---|---|
| Connection | Bluetooth | Bluetooth |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.3 |
| Bluetooth Range | 9m | 9m |
| App Support | Bose Music app | Bose app |
| Multipoint Connection | — | Yes |
Features
| Specification | Bose QuietComfort Earbuds II | Bose Ultra Open Earbuds |
|---|---|---|
| Special Features | CustomTune sound calibration; ActiveSense | OpenAudio technology; SimpleSync; Auto Volume |
Audio
| Specification | Bose QuietComfort Earbuds II | Bose Ultra Open Earbuds |
|---|---|---|
| Audio Codecs | AAC, SBC | AAC, SBC; aptX Adaptive on supported devices |
| Active Noise Cancellation | Adjustable ANC with CustomTune | No |
| Transparency / Ambient Mode | Aware mode with ActiveSense | N/A - open-ear design |
| Microphones | 4 per earbud (8 Total) | Built-in Array for Clear Calls |
| Spatial Audio | — | Bose Immersive Audio |
Charging Case
| Specification | Bose QuietComfort Earbuds II | Bose Ultra Open Earbuds |
|---|---|---|
| Case Type | Charging case | Charging case |
| Case Battery Life | Included in the total battery-life figures above | Included in the total battery-life figures above |
| Case Charging | USB-C | USB-C |
| Case Charging Port | USB-C | USB-C |
| Case Wireless Charging | No | — |
| Case Features | Protective charging case | Protective charging case |
| Case Dimensions | — | 41.9 x 65 x 26.4mm |
| Case Weight | — | 44g |
Design & Controls
| Specification | Bose QuietComfort Earbuds II | Bose Ultra Open Earbuds |
|---|---|---|
| Controls | Touch controls for playback, calls and listening modes | Physical button controls |
| Water & Dust Resistance | IPX4 earbuds | IPX4 earbuds |
| Ear Tips / Ear Cushions | Bose Fit Kit: ear tips and stability bands, S/M/L | N/A - open-ear cuff design |
What's in the Box
| Specification | Bose QuietComfort Earbuds II | Bose Ultra Open Earbuds |
|---|---|---|
| Headphones / Earbuds | QuietComfort Earbuds II earbuds | Ultra Open Earbuds earbuds |
| Charging Case | Charging case | Charging case |
| Charging Cable | USB-C charging cable | USB-C charging cable |
| Audio Cable | N/A - true wireless design | N/A - true wireless design |
| Ear Tips / Accessories | Bose Fit Kit: ear tips and stability bands, S/M/L | N/A - open-ear cuff design |
| Documentation | Quick start and safety documentation | Quick start and safety documentation |