PolarLander Universal 1-Din 12V In-Dash Car Radio with Built-in 2-Speaker Stereo, FM Radio, USBTF Card Port, and Bluetooth [76-108MHz FM Radio

Bluetooth Hands-Free Function: Built-in Bluetooth functionality allows for phone connection, hands-free calling, and Bluetooth music playback, improving driving safety. Note: The black wire must be connected to the negative pole of the power supply, and the red and yellow wires must be connected to the positive pole of a 12V power supply simultaneously to ensure the radio can be powered on normally. Compared to the sound quality and tone of the original car speakers, the two built-in speakers produce a softer, purer, and more impactful bass, eliminating the need for a second speaker in the car. USB (U-Disk), SD Card, and MMC: Supports large-capacity storage devices such as USB, SD, and MMC, allowing you to download and play your favorite songs. AUX Audio Input: Supports external AUX audio input for GPS navigation, MP3, MP5, and mobile phone audio. Input the AUX audio from the front jack and output the audio from the built-in speaker. Supports Japanese Frequency Bands!: The FM band has been improved from the original design to the Japanese domestic band of 76-90MHz, allowing you to enjoy your favorite radio stations while driving! The yellow wire is connected to the positive pole, allowing the radio to support power-off memory function. 1 DIN Mounting Dimensions: 18.8 cm/7.4"*x 6 cm/2.4"*x 5.8 cm/2.3"