Google Pixel Buds 2a: Pixel Buds 2a in-ear earbuds with a USB-C charging case; the Fog, Berry, Iris and Hazel colours share the same hardware. The Pixel Buds A-Series and Pixel Buds Pro 2 are separate models.
Bose QuietComfort Ultra Earbuds (2. nesil): True wireless in-ear · wireless charging case
| Specification | Google Pixel Buds 2a | Bose QuietComfort Ultra Earbuds (2. nesil) |
|---|---|---|
| Release year | 2025 | 2025 |
| Type | In-ear true wireless; wing-tip stabiliser, four ear-tip sizes (XS, S, M, L) Google | In-ear true wireless earbuds Bose |
| Processor | Google Tensor A1 in each earbud Google | — |
| Driver | 11 mm dynamic driver Google | — |
| Noise cancelling | Active noise cancellation (Silent Seal 1.5); transparency mode; active in-ear pressure relief Google | Adaptive active noise cancelling (ANC) · Aware (ambient) mode Bose |
| Connectivity | Bluetooth 5.4; pairs with Bluetooth 4.0+ devices Google | — |
| Calls | Two microphones per earbud; Bluetooth super wideband; Clear Calling; wind-blocking mesh Google | — |
| Battery | ANC on: 7 hours (20 hours with case); ANC off: 10 hours (27 hours with case); 5 minutes of charging gives 1 hour Google | Earbuds up to 6 hours (4 hours with Immersive Audio on) · up to 24 hours in total with the case Bose |
| Charging case | USB-C charging; no wireless charging listed Google | — |
| Durability | Earbuds IP54, case IPX4 Google | — |
| Sensors | Capacitive touch controls; IR proximity sensor for in-ear detection; Hall sensor in the case Google | — |
| Size and weight | Earbud 23.1 × 16.0 × 17.8 mm, 4.7 g; case 50.0 × 24.5 × 57.2 mm, 47.6 g with earbuds Google | — |
| Updates | Automatic security updates for at least three years from first availability on the US Google Store Google | — |
| Colours | Fog, Berry, Iris, Hazel Google | Black, White Smoke, limited-edition Deep Plum Bose |
| Microphones | — | 4 microphones per earbud · AI-powered call noise suppression Bose |
| Multipoint | — | Two source devices at once Bose |
| Bluetooth | — | Bluetooth 5.3 · range up to 9 m Bose |
| Codecs | — | SBC, AAC, aptX Adaptive (Snapdragon Sound) Bose |
| Charging | — | USB-C · wireless charging case · up to 2 hours of use from a 20-minute charge Bose |
| Water resistance | — | Earbuds IPX4 · case not water resistant Bose |
| Weight | — | 0.017 lb (about 7.7 g) per earbud · case 0.132 lb (about 60 g) Bose |
| Dimensions | — | Earbud 2.99 × 1.25 × 2.49 cm · case 6.63 × 5.97 × 2.69 cm Bose |