2 years international warranty
30 days free return
SPORT True Wireless
SPORT True Wireless

SPORT True Wireless

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Article number: 509299

Key Features

  • Sennheiser signature sound
  • Adaptable acoustics
  • Secure customized fit
  • IP54: Dust, splash & sweat resistance
  • Up to 27 hours play time

Sound driven performance

Boost your exercise with an exceptional audio experience.

Signature sound

Powered by Sennheiser TrueResponse transducer, a 7mm dynamic audio driver that delivers a high-end sound experience with full bass.

Built-In Equalizer

Fine-tune the sound experience to your taste with a choice of presets and an intuitive equalizer through the Smart Control App.

Your workout, your sound

Discover sports-optimized control of how you experience sound and hear your environment.

Tailor your sound experience for the level of immersion or awareness you prefer. Our unique Adaptable Acoustic feature offers the choice of either Open or Closed ear adapters, that match with special EQ modes to provide the perfect setting for your exercise. 

Choose an Open ear adapter style to stay aware of your surroundings but at the same time minimize body-borne noise, like hearing your own breathing or footsteps. Or simply switch to an insulating Closed ear adapter that blocks outside sound for an immersive audio experience.

Secure customized fit

Enjoy a comfortable and secure fit no matter how intense your exercise.

Customize the ergonomic fit of your SPORT True Wireless earbuds with a choice of ear adapters in three sizes and four different ear fins, so they stay comfortably in place during any performance.

Tough design

Count on durability that can withstand your toughest workouts. 

Splash, dust and sweat resistance

There’s no need to slow down when conditions get tough: the sleek durable design has an IP54 rating so it can easily handle sweat, rain or workouts on the beach.

Peak endurance

Delivering 9 hours playback time and a further 18 hours with on-the-go charging via the case, for a total of 27 hours.


Wearing style true wireless stereo earphones
Ear coupling ear canal
Frequency response (speaker) 5 Hz to 21 kHz
Transducer principle dynamic, closed-back
Transducer size 7 mm, TrueResponse™
Sound pressure level (SPL) 110 dB SPL (1 kHz/0 dBFS)
Total harmonic distortion (THD) < 0,08 % (1 kHz, 94 dB SPL)
Frequency response (microphone) 100 Hz – 10 kHz
Microphone pick-up pattern 2 mic beamforming arrays (4 mic total)
Operating time (earbuds) 9 hrs
Operating time (charging case) 27 hrs
IPX rating IP54, dust protected and splash resistant (earbuds)
Bluetooth version Bluetooth 5.2 compatible, class 1, BLE
Bluetooth Audio Codec SBC, AAC, aptX™

What's in the Box

  • SPORT True Wireless earbuds
  • Charging case with lanyard
  • USB-C charging cable
  • Closed and Open ear adapter sets (S/M/L)
  • Ear fins sets (N, S1, S2 , S3)
  • Quick Guide & Safety Guide

Customer Reviews

Based on 61 reviews
Aaron Ford
Very good despite missing items

This is a good item. It doesn't fall out of my ears as I exercise, I like the touch controls. However, my order not include the lanyard and charging cable described.

Konstantin Surzikov
Happy with product

Happy with product Happy with product

Aung Zaw Zaw

SPORT True Wireless

Jean Keating
Happy Customer

I purchased this product for my sons birthday .The delivery time was excellent and he is delighted with the gift and its performance .
Thank you !

Danny White
Great headphones but they not a good fit for me

These headphones are everything you would expect from Sennheiser, great sound and good build quality, but none of the silicone tips are a good fit for me ears, so the earbuds keep eventually falling out, or constantly need readjusting unfortunately. They are no doubt a great fit for certain people just not for myself.