Image © oneplus.comOnePlus E502A
We need more than one usable review before publishing a score.
At a glance
- Brand
- OnePlus
- Type
- True Wireless
- Fit
- -
- Connection
- Wireless
- Noise cancelling
- No
- Released
- 2021
The OnePlus Buds Z are true wireless earbuds with a 10mm dynamic driver, offering deep bass and up to 20 hours of total battery life. They feature IP55 water and sweat resistance, Bluetooth 5.0, and a lightweight design at 4.35 grams per earbud.
The HearWiki takeAI-condensed
These budget-friendly true wireless earbuds pack a 10mm dynamic driver for punchy bass and offer a total of 20 hours of playback with the charging case. They are built for active use with an IP55 rating against water and sweat, plus a featherlight design that keeps them comfortable during long listening sessions. Quick charging provides three hours of use from just a 10-minute top-up, making them a convenient everyday option.
What works
- Lightweight and comfortable fit
- IP55 water and sweat resistance
- Fast charging gives 3 hours in 10 minutes
- Punchy bass from 10mm driver
- Solid 20-hour total battery life
What doesn't
- No active noise cancellation
- Only SBC and AAC codecs
- No multipoint connectivity
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
Specifications
| Driver | 10 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 10 mm |
| Drivers per side | 1 |
| Frequency response | 20 Hz - 20 kHz |
| Sensitivity | 97 dB/mW |
Audio
| Driver | 10 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 10 mm |
| Drivers per side | 1 |
| Frequency response | 20 Hz - 20 kHz |
| Sensitivity | 97 dB/mW |
Wireless
| Codecs | SBC, AAC |
|---|---|
| Multipoint pairing | No |
| Wireless range | 10 m |
Battery
| Battery life | 20 h |
|---|---|
| Quick charge | 10 min → 3 h |
Features
| Active noise cancelling | No |
|---|
Design
| Weight | 4.3 g |
|---|---|
| Case weight | 40 g |
| Water resistance | IP55 |
| USB-C | Yes |
Own these? Rate them.
A minute of your experience with the OnePlus E502A helps the next person shopping for them.
Alternatives in the $20–$80 range
Other true wireless models at a comparable price, ordered by HearWiki score.
More from OnePlus
Other OnePlus models in the database, same category first.
Where it sits in our rankings
The data-driven guides this model qualifies for.