• This device can detect car battery voltage
• Built-in microphone, support for Bluetooth-compatible hands-free calling to answer calls safely
• Support mobile phone A2DP function, after connecting to Bluetooth, you can directly play high-definition music
• Built-in colorful atmosphere breathing lights, you can adjust different lighting modes
• Support USB and TF card expansion, support to play music in MP3/WMA format
• 1 Type-C and 2 USB ports, charge your mobile phone conveniently

Specification:

• Bluetooth-compatible version: V5.0
• Working voltage: 12V-24V
• Limit voltage: 9-26V
• Output port quantity: 3
• USB1 output: 5V/1A (read U disk)
• USB2 output: 5V/2.1A
• Type-C output: DC5V/3A
• TF card slot quantity: 1
• Music format: MP3 / WMA
• FM frequency: 87.5-108.0 MHz
• Bluetooth-compatible effective distance: 10 meters
• FM effective distance: 2-3 meters
• LED ambient light: seven colors adjustable