Description Report Item / Suspicious Activity Features: -Small and exquisite, easy to use. -Colorful atmosphere lights make driving more romantic. -High-resolution, high-performance stereo, lossless music playback. -Bluetooth version 5.0 supports Bluetooth audio playback and Bluetooth hands-free calling. -Full-frequency FM wireless transmission technology, which can directly read audio files on. - Multiple protections such as over-current, over-charge, over-temperature, over-voltage,short-circuit protection, and anti-combustion make it safer to use. - It is suitable for all cars, SUVs and trucks with a voltage of 12V-24V. Specifications: Model:Q21.Q21K Material: ABS+PC Bluetooth version: Bluetooth 5.0 Effective distance: 10m Working Voltage: 12V-24V Transmitting frequency: 87.5MHz-108.0MHz Applicable models: 12V-24V cars, SUVs, trucks Note: -Since different computers display different colors, the colors of actual items may be slightly different from the above images.