Sennheiser SPORT True Wireless SPORT True Wireless helps drive your performance with superior sound, Adaptable Acoustics that provide a choice of Open and Closed ear adapters for greater immersion or higher running comfort and situational awareness, and an outstanding secure fit. Sennheiser’s TrueResponse transducer - a unique system powered by a 7mm dynamic driver for exceptional clarity and control - the SPORT True Wireless energizes with captivating sound quality and full bass, you’re also in control of how you experience sound and hear your environment, thanks to its unique Adaptable Acoustic feature. This offers two styles of ear adapters that work seamlessly with dedicated EQ Settings to create the ideal sound for your workout: Running outdoors Choose the Open ear adapters that minimize body-borne noise and let in some outside noise for greater situational awareness. Exercising in a noisy gym Choose the Closed ear adapters for a high level of passive noise isolation to block out background noise and give you greater focus. Sleek durable design has been ergonomically designed for comfort and to stay in place during exercise, with a choice of fins and ear adapters for a secure customized fit. Its IP54 rating means it can withstand dust and splashes and easily handle sweat or rain. Delivers sports performance with no compromise with a long-lasting battery delivering 9 hours playback time. An extra 18 hours is available via the case, for a total of 27 hours. The SPORT True Wireless also changes the game with advanced features like EQ customization via the Smart Control app, intuitive touch controls for effortless control of music, calls, accessing voice assistants, and Bluetooth 5.2 compatibility. Support for audio codecs such as SBC, AAC and AptX ensures a flawless audio experience. Depth: 41.6 MM Height: 64.5 MM Width: 40 MM Battery Life – 9 hours playback with up to 27 hours play back time with on-the-go charging via the case. Built-In Equalizer – Tailor the sound experience using the Smart Control App which includes audio pre-sets and a user-friendly equalizer Intuitive touch controls – Touch interface control of music, calls and voice assistant for effortless operation