Sennheiser HD 450SE Wireless Headphone, Over-Ear Noise Cancelling Headphones, Bluetooth 5.0, with Alexa Built-in, USB-C Fast Charging, Foldable,Active Noise Cancellation, Black

Sennheiser HD 450SE Wireless Headphone:<br> Charging voltage: 5 V, DC<br> Charging Current: 500 mA max.<br> Transmission frequency: 2,402 MHz to 2,480 MHz<br> Battery Specification: Built-in Lithium-Polymer rechargeable battery: 3.7 V, 600 mAh<br> <br> Bluetooth Version: 5.0<br> Supported Profiles: HSP, HFP, AVRCP, A2DP<br> Frequency response: 18 Hz to 22,000 Hz (-10 dB)<br> Sound pressure level (SPL): 108 dB (1 kHz/0 dBFS)<br> THD, total harmonic distortion: &lt; 0.3 % (1 kHz, 100 dB)<br> <br> Transducer principle (Microphone): MEMS<br> Frequency response (Microphone): 80 Hz to 6,000 Hz (-3 dB)<br> Features: Active Noise Cancellation, Wireless, Call functions, Closed Back, Bluetooth Multi-point, Built-in Microphone<br> <br> Dimensions:<br> Product Size(L/W/H): 9.13" x 7.69" x 3.94"<br> Product Weight: 2 pounds<br>

• 【Step Up Your Wireless Audio】Never miss a beat. Sennheiser's HD 450SE is a Bluetooth headset that delivers great wireless sound. Whether relaxing at home or on the go, you enjoy an exceptional combination of versatility and superior sound.
• 【Enjoy Your Music】Thanks to active noise cancellation and a closed back design, Sennheiser Wireless Headphone delivers captivating sound that you can enjoy without distraction - even in loud environments. Capture every audio detail in exceptional sound quality, assured by high-quality wireless codec support, including AAC and aptX Low Latency.
• 【Intuitive Controls 】Take intuitive control over your music and calls via easy touch buttons on the earcups. Have a truly connected experience through the dedicated Voice Assistant button and Bluetooth 5.0 support or the additional audio cable.
• 【Uninterrupted Listening Pleasure】Whether you want to turn up the bass or enjoy a natural sound, the Sennheiser Smart Control App makes it effortless for you to tailor the sound to your personal taste - thanks to an intuitive equalizer.
• 【USB-C Fast Charging】Sennheiser Over-Ear Noise Cancelling Headphone offers exceptional versatility for audio lovers. With an excellent long battery life and Alexa just a touch away, you'll never miss a thing whether at home or on the move.