The MIXX StreamQ D2 wireless over-ear headphones deliver high-quality audio performance with practical features for everyday use. These headphones provide up to 40 hours of uninterrupted playback on a single charge, making them suitable for extended listening sessions. The built-in headphone controls allow for convenient management of playback functions, including play, pause, and track skipping. For voice assistance, the headphones support both Siri and Google Assistant functionality. A notable feature is the fast charging capability, which offers 8 hours of playback time after just 15 minutes of charging. The headphones integrate 40 mm drivers with 32 Ohm impedance and 118 dB sensitivity, covering a frequency range of 20 Hz to 20 kHz for balanced audio playback. Built with Bluetooth 5.3 technology, they maintain a stable wireless connection within a 10-meter range and support A2DP, AVRCP, HFP, and HSP profiles. The foldable design enhances portability and storage convenience. Weighing 196 grams, the headphones provide comfortable long-term use. The package includes a USB-C charging cable and a 3.5 mm auxiliary cable for wired connection options. For additional customization, the MIXX Control App offers advanced control over audio settings and features. The packaging uses environmentally responsible materials, including FSC-certified paper from sustainable sources and recycled plastic components, with full recyclability.