Connectivity Technology

True Wireless    

Wireless Technology

Bluetooth           

Cable Length

24 cm   

Wireless Operating Distance

30m      

Bluetooth Standard

Bluetooth 5.3   

Minimum Frequency Response

20 Hz    

Maximum Frequency Response

20 kHz  

Features

Hearing Protection         

Adaptive Active Noise Cancellation          

Wireless Charging           

USB Charging    

Bluetooth Pairing             

Noise Canceling

Yes         

Fast Charging

Yes         

Microsoft Teams Certification

Yes         

Zoom Certification

Yes         

Active Noise Canceling (ANC)

Yes         

Charging Method

Cable    

Case      

AI-powered

Yes         

Maximum Number of Paired Devices Supported

8            

Maximum Number of Simultaneous Connections

2            

Voice Processing Unit (VPU)

Yes         

BATTERY INFORMATION

Battery Capacity (Earbuds)

66 mAh

Battery Capacity (Charging Case)

500 mAh             

Fast Charging Time

5 Minute             

Battery Talk Time Details

Up to 5hrs (ANC On - Earbuds)  

Up to 16.5hrs (ANC On with charging case)           

Battery Listening Time Details

Up to 8hrs (ANC On - Earbuds)  

Up to 33hrs (ANC On with charging case)

Battery Recharge Time Details

Fast Charging Time: 5 mins = 1 hr             

Maximum Battery Recharge Time: <2 hrs to full  

Battery Chemistry

Lithium Polymer (Li-Polymer)     

EARPIECE

Driver Size

11.6 mm             

Signal to Noise Ratio (SNR)

66 dB    

Earpiece Sensitivity Details

106 ± 2dB @ 1kHz/1mW              

MICROPHONE

Microphone Technology

MEMS Technology          

Integrated Microphone

Yes         

Microphone Frequency Response

100 Hz to 8 kHz

Microphone Sensitivity (dBFS)

-35 ± 1 dBFS      

INTERFACES/PORTS

Charging Interface

USB Type-C        

Wireless              

CONTROLS/INDICATORS

Earpiece Controls

Volume Up/Down           

ANC on/off/Enhanced Transparency mode           

Answer/reject call           

Mic on/off          

Next/Previous track       

SOFTWARE

Software Included

Dell Display and Peripheral Manager       

Dell Device Management Console            

Dell Audio Mobile App  

Dell Pair               

POWER DESCRIPTION

Minimum Charging Power

2.50 W 

Maximum Charging Power

5 W       

PHYSICAL CHARACTERISTICS

Durability

Water Resistant

Dust Resistant  

Form Factor

In-ear   

Height

32.22 mm          

Width

24.58 mm          

Length

23.52 mm          

Weight (Approximate)

12 g       

Charging Case Height

63.87 mm          

Charging Case Width

30.86 mm          

Charging Case Length

58 mm 

Charging Case Weight (Approximate)

50.4 g   

Earbud Weight (Approximate)

6g x 2   

Dongle Weight (Approximate)

2.2g      

MISCELLANEOUS

Package Contents

Dell Pro Plus Earbuds - EB525    

Dell Wireless Audio Receiver - HR024     

USB-C Charging cable     

User Documentation     

Ingress Protection (IP) Rating

IP54      

Compatibility

Dell Wireless Audio Receiver - HR024     

Operating System Platform

Windows 10 64 Bit          

Windows 11 64 Bit          

iOS        

Android

macOS 

Charger Included

No