1 / 7Nothing Ear B171 Wireless Earbuds with Adaptive ANC
Wireless: Nothing Ear B171 are in-ear Bluetooth earbuds with adaptive hybrid ANC, an 11 mm dynamic driver, and support for LDAC and LHDC 5.0. The listing claims up to 40.5 hours with the case when ANC is off, but customer feedback is mixed on battery life, noise cancellation, connectivity, and durability.
At a glance
- Hybrid ANC is advertised at up to 45 dB, with adaptive adjustment and transparency mode.
- The listing supports LDAC and LHDC 5.0 high-resolution Bluetooth codecs, subject to compatible source devices.
- Multipoint connection is described for two devices, and Game Mode latency reduction is stated for Nothing phones.
- Wireless charging is supported, but the listing says it is not Qi-certified.
Reference price: $109.00
Price checked: Nov 14, 2026
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Pros and cons
Pros
- Adaptive ANC with adjustable levels and transparency mode offers options for different listening environments.
- Support for LDAC and LHDC 5.0 provides codec choices for compatible devices.
- Two-device connectivity can be useful when switching between a phone and a laptop.
- The claimed IP54 earbuds and IP55 case protection may suit everyday exposure to dust and splashes.
Cons
- The stated 40.5-hour total applies with ANC off, not with noise cancellation continuously enabled.
- Game Mode's stated low-latency behavior is tied to activation on a Nothing phone.
Technical specifications
26 specifications| Brand | Nothing |
|---|---|
| Model | Nothing Ear |
| Driver type | Dynamic Driver |
|---|---|
| Driver size | 11 millimeters |
| Impedance | 32 ohm |
| Noise control | Adaptive Noise Cancellation |
| Noise control features | Wind Conduction,Transparency Mode,Adjustable ANC |
| Sensitivity | 45 db |
| Audio latency | 11 milliseconds |
| Wireless connection listed | Bluetooth |
|---|---|
| Bluetooth version | 5.3 |
| Compatible devices | Devices with Bluetooth 5.3 support |
| Control methods listed | Touch |
| Headphone jack | No Jack |
| Battery life listed | 40.5 hours |
|---|---|
| Battery charge time | 70 minutes |
| Charging features | Fast Charging, Lightweight, Noise Cancellation, Touch Control, Wireless Charging |
| Form factor | In Ear |
|---|---|
| Weight listed | 61 g |
| Charging case length | 2.5 inches |
| Charging case width | 1.85 inches |
| Charging case height | 0.87 inches |
| Charging case weight | 1.68 ounces |
| Water resistance listed | Water Resistant |
|---|---|
| Enclosure material | Plastic |
| Color | White |
What to know before buying
Listing details to confirm
Battery figures vary by use. The listing specifies up to 40.5 hours total with ANC off versus 24 hours with ANC on, while earbud-only music playback is listed as 8.5 hours and 5.2 hours respectively. Customer feedback also reports mixed battery life, connectivity, ANC, sound, and durability experiences. Listing details are inconsistent or unconfirmed: one description claims 10 minutes of charging yields 10 hours of playback, another says 5 minutes yields up to 10 hours, and the detailed charge table gives different times by ANC mode. The listing's sensitivity figure is 45 db while its title presents 45 dB as ANC depth. Check which claimed charging and audio details apply to the selected listing.
What’s in the box
- Ear tipsIncluded
- Safety informationIncluded
- User manualIncluded
- Wireless charging caseIncluded
- Type-C cableCheck selected pack
- EarbudsCheck selected pack
- Warranty informationCheck selected pack
Check which accessories are included in your selected pack before buying.
Who is it for?
A good fit for
- Listeners seeking in-ear earbuds with adjustable ANC and transparency mode.
- People using LDAC or LHDC-compatible devices who want those Bluetooth codec options.
- Users who switch between two connected devices and can accept the stated use-case limits for Game Mode.
Less suited to
- Buyers who need a guaranteed all-day runtime with ANC enabled, since the listed total falls to 24 hours with ANC on.
- Buyers prioritizing consistently reliable connectivity or durability, given the reported customer concerns.
Customer reviews on Amazon
- 5 stars
60% 60% - 4 stars
12% 12% - 3 stars
9% 9% - 2 stars
8% 8% - 1 star
11% 11%
Customer feedback reports a secure fit and favorable impressions of ANC from some buyers, alongside mixed views of noise cancellation, sound, and battery life. Reports also raise concerns about disconnects, Bluetooth range, and durability, including failures within months. These perceptions matter for users relying on stable connections or long-term daily use, while the listing's battery figures are conditional on ANC mode and do not establish how an individual pair will perform.
Positive themes
- Some customers praise the ANC and describe the earbuds as fitting securely.
Negative themes
- Customer feedback includes reports of disconnections, limited Bluetooth range, and failures within months.
Mixed feedback
- Feedback on battery life, noise cancellation, sound quality, and fit is mixed.
Frequently asked questions
How long is the listed battery life?
The listing gives up to 40.5 hours total with the case when ANC is off and 24 hours with ANC on. Earbud-only music playback is listed as 8.5 hours and 5.2 hours respectively.
Does Nothing Ear support wireless charging?
Yes. Wireless charging is listed, and the detailed description says it is supported but not Qi-certified.
Can these earbuds connect to two devices?
The listing describes connecting to two devices at once, such as a phone and a laptop.
Are LDAC and LHDC available with every phone?
No. The listing says LDAC and LHDC playback require source devices that support those codecs.
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