Features: 1. Small and exquisite, easy to use. 2. Colorful atmosphere lights make driving more romantic. 3. Compatible with Bluetooth, U disk (up to 32G) audio connection. 4. Support power-off memory playback function. 5. High-resolution, high-performance stereo, lossless music playback. 6. Bluetooth version 5.0 supports Bluetooth audio playback and Bluetooth hands-free calling. 7. 22.5W Super fast charging/QC3.0+PD20W fast charging, charging while listening to songs. 8. The voice navigation function supports 99% of map applications. 9. Full-frequency FM wireless transmission technology, which can directly read audio files on Bluetooth mobile phones/U disks. 10. Multiple protections such as over-current, over-charge, over-temperature, over-voltage, short-circuit protection, and anti-combustion make it safer to use.11. It is suitable for all cars, SUVs and trucks with a voltage of 12V-24V. Specifications: Model: C16 Material: ABS Color number of atmosphere lights: 7+1 Bluetooth version: Bluetooth 5.0 Effective distance: 10m Charging interface: USB 22.5W Super fast charge+Type-C 3.1A 22.5 interface: 5V4.5A, 9V2.5A, 12V1.9A Type-C interface: 5V3A, 9V1.7A, 12V1.3A Working Voltage: 12V-24V File type: MP3/APE/FLAC Transmitting frequency: 87.5MHz-108.0MHz Functions: U disk, FM, Bluetooth music,voice navigation, dual USB fast charging, hands-free calling, etc. Applicable models: 12V-24V cars, SUVs, trucks Size: 5 x 4.5 x 8.7 cm Model: C17 Material: ABS Color number of atmosphere lights: 7+1 Bluetooth version: Bluetooth 5.0 Effective distance: 10m Charging interface: USB QC3.0 fast charge+Type-C PD20W fast charge QC3.0 interface: 5V/3.6A,9V/2A,12V/1.5A Type-C interface: 5V4A, 9V2.3A, 12V1.7A Working Voltage: 12V-24V File type: MP3/APE/FLAC Transmitting frequency: 87.5MHz-108.0MHz Functions: U disk, FM, Bluetooth music,voice navigation, dual USB fast charging, hands-free calling, etc. Applicable models: 12V-24V cars, SUVs, trucks Size: 5 x 4.5 x 8.7 cm Note 1. Since different computers display different colors, the colors of actual items may be slightly different from the above images. 2. Please allow 1-2 cm to be different due to manual measurement. Thank you for your understanding Q: The product has missing or broken part when you receive? A: Please let us know which is missing, we will arrange resend. Q: What can I do when purchase protection time is running out? A: