Not sure. Bit it’s designed to keep in side a USB C port equipped box , where its safe.

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Sennheiser Sport True Wireless in Ear Earbuds Bluetooth Headphone with Mic, Designed in Germany, Adaptable Acoustics, Noise Cancellation, Touch Controls, IP54 and 27h Battery, 2Yr Warranty (Black)

Sennheiser Sport True Wireless in Ear Earbuds Bluetooth Headphone with Mic, Designed in Germany, Adaptable Acoustics, Noise Cancellation, Touch Controls, IP54 and 27h Battery, 2Yr Warranty (Black)

Q: Need to have more details of the 10990 one..hiw gud is it? Features?

I’m extremely happy with this purchase, First few days had a little trouble.. almost fell off my ear.. then I removed the rubber flaps, now it’s absolutely fine, fits perfectly. Don’t except the bass and the low frequency.. bass is there , but in a balanced way.. When you take it out of its case , make sure each one is powered or if its not, put back in the case and take it out again.. further sound adjustment can be done via its own app. Overall its a great product.Rubber flaps can be misleading

Q: Multipoint device connection ?

Not sure. There r YouTube videos and reviews.

Product ID: 432120210

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Details

Brand
Sennheiser
Colour
Black
Ear Placement
In Ear
Form Factor
In Ear
Noise Control
Sound

🎧27h battery life

💧IP54 sweat & dust resistant

🔊Adaptive Acoustics tech

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Description

🎧 Elevate your workout soundtrack with precision-engineered sound and unstoppable battery life.

SMART TOUCH CONTROL - Intuitive touch controls and a customizable app put full command of music, calls, and voice assistants at your fingertips.
SWEATPROOF RUGGED - IP54 rating means these earbuds thrive through sweat, dust, and splashes—perfect for your toughest workouts.
TAILORED SOUNDSCAPE - Switch effortlessly between open and closed ear adapters for situational awareness or immersive focus.
ENDURANCE THAT KEEPS UP - Up to 27 hours of uninterrupted music with fast charging to power your longest days.
SECURE FIT ALL DAY COMFORT - Ergonomic design with interchangeable fins ensures a personalized, stable fit no matter the activity.

The Sennheiser Sport True Wireless earbuds combine German-engineered TrueResponse transducers with adaptive acoustics, offering both open and closed ear adapters for situational awareness or noise cancellation. Featuring an IP54 rating, 27-hour battery life with fast charging, ergonomic interchangeable fins for a secure fit, and smart touch controls customizable via app, these earbuds are designed to keep pace with active professionals who demand premium sound and durability.

Specifications

Frequency Response	21 KHz
Sensitivity	110 dB
Headphones Jack	bluetooth
Model Name	SPORT True Wireless
Connectivity Technology	Wireless
Wireless Communication Technology	Bluetooth
Included Components	Charging case with lanyard, Closed and Open ear adapter sets (S/M/L), Ear fins sets (N, S1, S2 , S3), Pair of earbuds, USB-C charging cable, User Manual
Age Range (Description)	Adult
Material	Plastic
Specific Uses For Product	Sport
Charging Time	90 Minutes
Recommended Uses For Product	Exercising
Compatible Devices	All Bluetooth Devices
Control Type	Media Control
Cable Feature	Without Cable
Item Weight	55 Grams
Water Resistance Level	Water Resistant
Net Quantity	1 Pack
Style	In-ear
Control Method	Touch
Number of Items	1
Battery Life	27 Hours
Audio Driver Type	Dynamic Driver
Bluetooth Range	10 Metres
Bluetooth Version	5.0
Carrying Case Weight	55 Grams
Carrying Case Material	Plastic
Carrying Case Color	Black
Earpiece Shape	in-ear
Series number	509299
Hardware Interface	Bluetooth 5
UPC	810091270677
Supports Bluetooth Technology	Yes
Special Feature	Adaptive Acoustics, Fast Charging, Interchangeable fins, Microphone Included, Sports True wireless, Sweatproof
Global Trade Identification Number	00810091270677, 04260752330671
Manufacturer	Sennheiser, Sennheiser electronic gramsbH & Co. KG. Am Labor 1. DE - 30900 Wedemark Germany
Model	509299
Model Year	2022
Product Dimensions	6.45 x 4 x 4.16 cm; 55 g
Batteries	1 Lithium Ion batteries required. (included)
Item model number	509299
Hardware Platform	Smartphone
Special Features	Adaptive Acoustics, Fast Charging, Interchangeable fins, Microphone Included, Sports True wireless, Sweatproof
Microphone format	Built-In
Power Source	Battery-Powered
Batteries Included	Yes
Batteries Required	Yes
Battery cell composition	Lithium Ion
Cable feature	Without Cable
Form Factor	In_ear
Includes Rechargeable Battery	Yes
Manufacturer	Sennheiser
Country of Origin	China
Item Weight	55 g

Have a Question? See What Others Asked

Need to have more details of the 10990 one..hiw gud is it? Features?

wireless charging

Multipoint device connection ?

Does it have MultiPoint connectivity?

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