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OnePlus Buds (E501A)

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The first True Wireless in-ear headphones from OnePlus. They feature impressive battery life, high-quality sound, ergonomic design, IPX4 waterproof rating and advanced functionality. The stylish appearance of this model turns it into a spectacular accessory that can become an integral part of an individual visual image. Primarily recommended for users who don't like the feel of in-ear headphones that completely block out ambient sounds. Positioned as a product of the upper part of the middle price category, able to confidently compete with similar products from Apple and Samsung. The OnePlus Buds Wireless Headphones are equipped with large 13.4mm dynamic drivers that can reproduce the full frequency range for bright and balanced sound. The anatomical shape of the earbuds provides a comfort...able fit in the ear and comfort during prolonged use, and water protection makes it possible to use them in the gym (strength training). Bluetooth 5.0 wireless interface demonstrates energy efficiency, improved connection stability and low latency. Convenient touch control and auto pause function are provided. With built-in microphones, the headphones allow you to take voice calls without touching your smartphone.
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OnePlus Buds
Colour
Connection and design
Designinserts
Connection typewireless
ConnectionBluetooth v 5.0
Range10 m
Specs
Frequency range20 – 20000 Hz
Sensitivity97 dB
Speaker size13 mm
Emitter typedynamic
Microphone specs
Microphonebuilt into the case
Sensitivity-38 dB
Features
Autopause
Codec supportAAC
Power supply
Power sourcebattery
Headphone battery capacity35 mAh
Charging time1.5 h
Operating time (music)7 h
Fast charge10 minutes for 2 hours of work
Charging portUSB C
General
Touch control
WaterproofIPX4
Weight5 g
In boxcharging case / 420 mAh /
Added to E-CatalogAugust 2020
P/N
E501A

Quick charge: 10 minutes of charging gives you 2 hours of use.

The first True Wireless in-ear headphones from OnePlus. They feature impressive battery life, high-quality sound, ergonomic design, IPX4 waterproof rating and advanced functionality. The stylish appearance of this model turns it into a spectacular accessory that can become an integral part of an individual visual image. Primarily recommended for users who don't like the feel of in-ear headphones that completely block out ambient sounds.

Positioned as a product of the upper part of the middle price category, able to confidently compete with similar products from Apple and Samsung. The OnePlus Buds Wireless Headphones are equipped with large 13.4mm dynamic drivers that can reproduce the full frequency range for bright and balanced sound. The anatomical shape of the earbuds provides a comfortable fit in the ear and comfort during prolonged use, and water protection makes it possible to use them in the gym (strength training). Bluetooth 5.0 wireless interface demonstrates energy efficiency, improved connection stability and low latency. Convenient touch control and auto pause function are provided. With built-in microphones, the headphones allow you to take voice calls without touching your smartphone.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog OnePlus 2025 - new arrivals, bestsellers, and the most relevant models OnePlus.
Overall, I liked these headphones and recommend them to everyone. But remember the nuances.
3 April 2021 
Initially I wanted to buy these headphones to get not only good sound and good battery life, but also ease of use. Plus I wanted an ecosystem with my Oneplus 7 pro, like Apple did. And what I finally got:
1. Good sound. I compared these headphones with the Sony WH-1000xm3 in terms of sound, and they sound very similar. The difference can only be felt when using the LDAC audio codec on the Sony. Overall, the sound is very impressive, but there is one nuance that didn’t disappoint me personally, but may disappoint others. I'll write about this in the cons section.
2. Battery life. It is stated that the headphones work for 7 hours. This is true. It's really difficult to run them down. I think this will satisfy everyone.
3. Wearing comfort. They don’t fall out and stay securely in my ears. I recently went for a run with them and they didn’t fall out. But remember, everyone's ear shape is different, so they might either fall out or not fit for some people.
4. Ease of use (this is only available if you have a OnePlus smartphone no older than the OnePlus 6 and the firmware version of the headphones is global). You can customize gestures that work accurately. There are no complaints. Additionally, if you lose the headphones, you can find them using the "Find Device" app. They connect quickly, about 3 seconds after opening the case. After connecting, there is a notification animation showing the charge level of the headphones and the case. In terms of convenience, they compete with the iPhone quite well.
5. Build quality. The matte material of the case feels pleasant to the touch and doesn’t scratch, but it seems unreliable. The headphones are glossy. The design doesn’t feel bad or cheap. It truly feels like you are buying a device from a premium company. The size of the case is satisfying. Overall, everything is okay.
1. Strong bass. Even though I like it, for some, it might be disappointing because it's really pronounced here. If you have a Oneplus smartphone, you can adjust the sound in the equalizer by going to sound settings - Dolby Atmos - style preferences. To neutralize the bass, you can choose the following values: +4.3; +2.0; 0.0; -6.0; -2.0; -5.1; +2.0; +3.5; +3.6; +1.8. The sound will be approximately at the level of vivo tws 2019.

2. Microphone. It's not bad, but it records the voice a bit low (the voice sounds deep). The person on the other end hears well and doesn't ask to repeat, the noise cancellation handles noises well, but I can't praise the microphone for sound quality.

3. Chinese version. Despite the lack of the plus "usability" that I described, it lags behind the global version in terms of connection speed and sound quality. The sound on the Chinese version seems flat. After re-flashing, it noticeably improved. Therefore, in any case, only buy the global version.

4. Unknown rustling. It's unclear why, but there's rustling in the right earbud that occurs periodically. It's only audible in silence. It sounds like the hum of an incandescent bulb. It's not particularly annoying, but at night in silence, you just want to take the earbuds off.

5. Defective products. Under no circumstances should you buy these earbuds on AliExpress or anywhere else. There's a 50% chance you'll get a defective pair. For example, one of the earbuds might stop working. It's better not to save money and buy a quality product instead.
Orlov Dmitriyuse OnePlus Buds less than month
As just headphones, yes, as a headset, definitely not.
9 December 2021 
Disappointed from the first minute of use, it was not possible to measure.
Autonomy, sound quality in the speakers, compatibility with van plus.
They sit inconveniently in the ears, it is bad to use it as a phonite headset (the sound is like in a tin can).
Sergey Shvecuse OnePlus Buds less than month
If not for a defect, I would continue to use it.
23 February 2021 
Very contradictory and as a result I ended up with a defect, the sound in the right earphone disappeared.
Sound quality, battery life, compatibility with OnePlus 8
Because of their size, they couldn’t fit into my ear and fell out (and I have big ears).
Ilya Sosulnikovuse OnePlus Buds less than month
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