Powerful 400W Audio Decoder Board:This 400W Bluetooth decoder board is designed for DIY car audio and home audio projects, offering strong output power and stable performance. It supports a wide DC 8-26V input range, making it compatible with power supplies in vehicles and custom audio systems. Multi-Format Music Playback:Enjoy high-quality digital music with support for multiple audio formats, including MP3, WMA, and APE. Whether your songs are on USB flash drive or TF card, this module ensures clear and dynamic sound reproduction for an enhanced listening experience. Bluetooth Wireless Connectivity:Built-in Bluetooth allows you to stream music wirelessly from smartphones, tablets, and other Bluetooth-enabled devices. Easily pair and control playback for convenient, cable-free operation in your car or DIY audio setup. Handsfree Calling with Microphone:Integrated handsfree function and included microphone let you answer and end calls safely while driving. Voice transmission is clear and stable, improving call quality and driving safety without needing to hold your phone. Wide Voltage DC 8-26V Design:The broad DC 8-26V operating range ensures compatibility with 12V and 24V systems, ideal for most cars, trucks, and DIY power supplies. Stable power management helps reduce noise and protects the board during long-term use. 1. Bluetooth version 5.0 2. Supports 6.5MM microphone 3. Supports music accompaniment and vocal removal. 4. Supports phone calls ( and hold the pause button to answer incoming calls). 5. Supports recording. Recording is only supported in TF card or USB mode. ( and hold the MODE button to recording, and hold the MODE button again to cancel recording and play the recorded file; and hold the pause button to exit recording mode. A storage device, such as a USB flashdrive or TF card, is required for recording.) 6. Supports power-off memory. 7. Power supply voltage supports DC 8V-26V, current or equal to 8A. 8. Can be directly connected to speakers. 9. Supports MP3 and FLAC audio formats. 10. Main functions: MP3/USB/TF/LINE IN/FM/BLUETOOTH/Remote control 11. power 400W, 100W per channel (4 channels). Color: As Shown Material: Plastic+Metal Package Contents: 1* Amplifier 1* Remote control (Batteries not included; requires 2* AAA batteries) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.