Dual Connectivity with USB Priority Experience uninterrupted music playback with the unit's primary USB 2.0 direct connection for compatible car stereos. If your head unit does not detect the USB signal, the system automatically switches to Bluetooth via the included BT BOX within 15 seconds. This seamless transition ensures your music keeps playing without interruption, whether driving locally or on long trips. Compact and Durable Design Designed for space efficiency, the device measures 155 x 155 x 45 mm and weighs just 750 g, making it easy to install indash without clutter. The smooth rollerloading mechanism protects discs from scratches and damage during loading and unloading. Engineered for reliability in extreme conditions, it operates in temperatures from 10°C to 70°C (14°F to 158°F), ensuring dependable performance yearround. Wide Compatibility Play standard 12 cm CDs directly or connect to a computer for audio file ripping with ease. The unit works with most car stereos through either USB or Bluetooth connection, giving you flexible integration options and reducing compatibility concerns. Whether your stereo reads discs or audio files, setup is straightforward and versatile. Easy Installation and Operation The plugandplay design allows quick installation. Connect via USB for immediate playback or use Bluetooth with the BT BOX if USB recognition fails. The BT BOX features clear indicators such as a blue light to show active connection. Control playback using your car's touchscreen or physical buttons for play, pause, and track navigation. Practical Use Scenarios 1. Daily Commute: Start your drive with direct USB playback and enjoy smooth music without worrying about connection drops. 2. Road Trips: Carry your favorite CDs and enjoy consistent playback even if your stereo's USB port becomes unavailable — Bluetooth switching keeps the music going. 3. Backup Audio Solution: Ideal for older vehicles with limited stereo compatibility, offering both disc play and modern wireless connectivity in one device.