Car Radio Backlit LED Display MP3 Player Dual USB Port Bluetooth 5.0 Handsfree Calling Car Stereo Item Type: Car Bluetooth MP3 Player Model: KH1517 Material: Metal Alloy Software: A3 Voltage: 12V Panel Light: Blue Panel Size: Approx. 188 x 58mm / 7.40 x 2.28in Depth: Approx. 65mm / 2.56in Radio Frequency: FM 87.5-108MHz Memory Card: Maximum support 128G (not included) Radio Chip: QN8035 Operating Temperature: -20-+60℃ Power: 4 x 45W PC Interface Type: 12pin + iso USB Port and Version: USB 2.0 Power Interface: ISO Power Interface Power Amplifier Chip: YD7388 Support Sound Formats: MP3 WMA WAV FLAC Remote Control with Built in Battery: Lithium Manganese Dioxide Battery Battery Model: CR2025 Battery Capacity: 180-240mAh