Description: With a built-in Bluetooth-compatible chip, this amplifier board is widely compatible with a wide range of devices for wireless connection and playback, making it easy to enjoy the pleasures of wireless living. Supporting various input and output modes, this amplifier board supports FM radio, microphone, USB, TF card playback, and so on, to meet your different needs, and it supports remote control, making it very convenient to use. It is constructed of iron material. The length of this product is 17.5cm, the width is 8cm and the height is 5cm. Suitable for home, office, travel, car, etc., this amplifier board is used for a wide range of applications. Item Name: Amplifier Board Material: Iron FM Radio: Support Bluetooth-compatible Music: Support Sound Channel: Mono Microphone: Support USB: Support TF: Support Remote Control: Support Subwoofer Adjustment: Support Output Power: 30W Support Voltage: 220V/12V/24V Bluetooth-compatible Version: 4.2 Compatible Devices: Compatible With Most Mobile Phones, Computers, CD-Players Etc. In The Market Features: FM Radio, with Power-on Indicator, Remote Control Size Details: L: 17.5cm/6.89", W: 8cm/3.15", H: 5cm/1.97"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Amplifier Board 1 x DC Power Cord 1 x Subwoofer Cable 1 x Power Cord 1 x Remote Control