Product specifications
DELL EB525 Headset True Wireless Stereo (TWS) In-ear Calls/Music Bluetooth Black
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Pro Plus Earbuds - EB525
Part EB525-DAO · UPC 884116492696
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Redefine audio clarity with an AI-based noise-cancelling mic and Adaptive ANC, designed for modern professionals.
Manufacturer notes
Actual configuration might differ from illustration
Performance
- Product type
- Headset
- Wearing style
- In-ear
- Recommended usage
- Calls/Music
- Product colour
- Black
- Operating keys
- Bluetooth pairing
- Protection features
- Dustproof, Waterproof
- International Protection (IP) code
- IP54
- Signal-to-Noise Ratio (SNR)
- 66 dB
- Number of paired devices remembered
- 8
- Number of simultaneously connected devices (max)
- 2
- Hearing protection
- Yes
Ports & interfaces
- Connectivity technology
- True Wireless Stereo (TWS)
- Bluetooth
- Yes
- Bluetooth version
- 5.3
- Frequency response (music mode)
- 20 - 20000 Hz
- Wireless range
- 30 m
Headphones
- Ear coupling
- Intraaural
- Headphone sensitivity
- 106 dB
- Noise canceling
- Yes
- Noise canceling type
- Active
Microphone
- Microphone type
- Built-in
- Microphone frequency
- 100 - 8000 Hz
- Microphone sensitivity
- -35 dB
- MEMS (Micro-Electro-Mechanical System) microphone
- Yes
Battery
- Battery operated
- Yes
- Battery type
- Built-in battery
- Battery capacity
- 66 mAh
- Talk time (with charging case)
- 16.5 h
- Battery capacity (charging case)
- 500 mAh
- Continuous audio playback time (charging case/ANC on)
- 33 h
- Continuous audio playback time (ANC on)
- 8 h
- Battery recharge time
- 2 h
- Fast charging
- Yes
- Fast charging time
- 5 min
- Talk time (ANC on)
- 5 h
- Wireless charging
- Yes
System requirements
- Windows operating systems supported
- Windows 10, Windows 11
- Mac operating systems supported
- Yes
- Mobile operating systems supported
- Android, iOS
Weight & dimensions
- Width
- 24.6 mm
- Depth
- 23.5 mm
- Height
- 32.2 mm
- Left earpiece weight
- 6 g
- Right earpiece weight
- 6 g
- Charging case dimensions (W x D x H)
- 30.86 x 58 x 63.87 mm
- Charging case weight
- 50.4 g
Packaging content
- AC adapter included
- No
- Receiver included
- Yes
- Cables included
- USB Type-C
Power
- USB Type-C charging port
- Yes
Specifications and images: Database Right data-sheet 2026 Icecat. All rights reserved. Supplied as is, without warranty. Specs Icecat · Open Content License