








🎧 Elevate your workout soundtrack with German-engineered precision and unstoppable battery life!
Designed in Germany and powered by Sennheiser’s TrueResponse transducer, these Sport True Wireless earbuds deliver superior sound with adaptive acoustics for situational awareness or noise cancellation. Featuring a secure ergonomic fit, IP54 sweat and splash resistance, 27 hours of battery life with fast charging, and customizable touch controls via a dedicated app, they are engineered for professionals who demand performance and style during workouts or daily commutes.





| Noise Control | Sound Isolation |
| 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 |
| 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 |
| Input Device Interface | Bluetooth |
| Noise Control Features | ambient_sound_mode, passive_noise_cancellation |
| 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 |
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