The Philips TAH3209BK headphones deliver a sound experience with stereo output and a frequency response ranging from 20 Hz to 20,000 Hz. Designed for portable electronics, these wireless dynamic headphones support Bluetooth 5.3 technology, ensuring a reliable connection up to 10 meters. With a built-in microphone, calls can be managed effortlessly while enjoying music with a sensitivity rating of 112 dB, making every audio detail clear. The closed cup type provides passive noise isolation, enhancing the listening experience in various environments. With a Lithium polymer battery capacity of 600 mAh, the headphones offer continuous playback and quick recharge within 2 hours, ensuring you stay connected and entertained wherever you go.