[hi-res sound, lossless audio]Certified by Hi-Res (both wired & wireless), Bowie H1i Noise Cancelling headphones reproduces details heard only in a recording studio, which frequency response can reach up to 40kHz. LHDC codec provides high-resolution audio streaming with low latency, and advanced AI algorithm enhancing bass punch, providing you with audiophile-grade sound quality. [reduce ambient noises by up to 95%]Built-in 2 active noise cancelling microphones and digital noise cancellation technology, which can detect and cancel out a wide range of low and mid-frequency noises such as cars and airplane engines. The soft earmuffs provide greater seal to build a restful private space . [immersive 3d spatial audio]With audio algorithm tracking your head's movements, Bowie H1i bluetooth headphones keep you always at the center of the sound, creating you a concert-like spatial immersion. [no more daily charging]Its 600mAh lithium-ion battery was tested to deliver up to 100 hours of playback, 2hrs fast charging gives you enough juice to listen to over 3000 , without the anxiety of running out of power, even on a long trip. With for Bowie H1i wireless headphones, You'll never miss important calls with multi-point connection. [0.038s low-latency & enc mic]The newest Bluetooth 5.3 chip-set and low latency technology help to fully synchronize audio and video in gaming mode - experience imperceptible 0.038s low latency. The ENC mics only delivers your voice but not the noise during phone calls or communicating in online games. Material: plastic colour: black Package Contents: 1 x Noise canceling headphones Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.