1、[DECODER BOARD] XH‑A253 Bluetooth decoder board supports memory card and U disk decoding wireless receiver, with strong practicability. 2、[DURABLE MATERIAL] Made of PCB and ABS materials, effectively avoid corrosion and wear, and have a long service life. 3、[EXCELLENT CHIP] Professional chipset provides excellent performance in the system, with safe and stable operation. 4、[PERFECT FIT] Precise cutting and interface ensure perfect applicability of the module and easy installation. 5、[EASY OPERATION] Powered by one CR2025 button battery (not included), and equipped with remote control, easy to use. 1 x Bluetooth Decoder Board1 x Remote Control  Item Type: Bluetooth Decoder BoardProduct Material: PCB + ABSProduct Model: XH-A253Audio Input: Bluetooth memory card U diskAudio Output: 3P audio cable AUX cablePower Interface: 2P cable, for Android Micro USBInput Voltage: DC5VInstallation Hole Distance: Approx. 50mm / 2inBattery: 1 x CR2025 button battery (not included)