The HD 350BTs are the ideal choice for people who love great audio. Enjoy an engaging sound experience with deep dynamic bass. Designed with high quality materials. the robust and stylish HD models offer an exceptional combination of versatility and superior sound. At home while listening to a podcast or while traveling with your favorite song. you can count on the new HD series to be your best companion for wireless audio. no matter what you hear. The HD 350BTs offer an engaging sound experience with deep, dynamic bass. Perfect transmission is ensured by the latest wireless technology. which includes Bluetooth 5.0 and high quality wireless codecs like AAC. aptX and aptX Low Latency. for perfect audio and video synchronization. Customizing your sound experience is easy with the Sennheiser Smart Control app. Its intuitive equalizer allows you to easily adjust the sound to suit your taste. Special podcast mode can be selected to optimize the intelligibility of your podcasts. Audiobooks and other favorite voice content. So you can enjoy your connected lifestyle. The HD 350BTs have a dedicated Voice Assistant button for instant voice interaction with Siri or Google Assistant. Controlling music and calls is also intuitive thanks to the easy-access touch buttons on the headphones. A dedicated free application that allows. in a very simple way. control. customize and configure your Sennheiser product. Its intuitive equalizer allows you to easily adjust the sound to suit your taste. Special podcast mode can be selected to optimize the intelligibility of your podcasts. Audiobooks and other favorite voice content. So you can enjoy your connected lifestyle. HD 350BTs have a dedicated Voice Assistant button for instant voice interaction with Siri or Google Assistant. Controlling music and calls is also intuitive thanks to the easy-access touch buttons on the headphones. A dedicated free application that allows. in a very simple way. control. customize and configure your Sennheiser product. Its intuitive equalizer allows you to easily adjust the sound to suit your taste. Special podcast mode can be selected to optimize the intelligibility of your podcasts. Audiobooks and other favorite voice content. So you can enjoy your connected lifestyle. HD 350BTs have a dedicated Voice Assistant button for instant voice interaction with Siri or Google Assistant. Controlling music and calls is also intuitive thanks to the easy-access touch buttons on the headphones. A dedicated free application that allows. in a very simple way. control. customize and configure your Sennheiser product. Audiobooks and other favorite voice content. So you can enjoy your connected lifestyle. The HD 350BTs have a dedicated Voice Assistant button for instant voice interaction with Siri or Google Assistant. Controlling music and calls is also intuitive thanks to the easy-access touch buttons on the headphones. A dedicated free application that allows. in a very simple way. control. customize and configure your Sennheiser product. Audiobooks and other favorite voice content. So you can enjoy your connected lifestyle. HD 350BTs have a dedicated Voice Assistant button for instant voice interaction with Siri or Google Assistant. Controlling music and calls is also intuitive thanks to the easy-access touch buttons on the headphones. A dedicated free application that allows. in a very simple way. control. customize and configure your Sennheiser product. control. customize and configure your Sennheiser product. control. customize and configure your Sennheiser product.