Dual microphone dual microphone interface reverberation adjustment, small body can also enjoy karaoke FM radio FM radio module listens to interesting radio programs at any time. Local life / traffic programs are related to signals Wireless Bluetooth 5,0 easy wireless connection is applicable to Bluetooth devices such as mobile phone, tablet, TV, etc It supports wired input, Bluetooth input and USB / SD card input of multiple devices, making the power amplifier easily compatible with more types of input devices HiFi level music experience lossless decoding chip USB / SD mode can read lossless audio ape, FLAC, WAV and other formats to bring better music experience Model: AV-308B Power: 60W+60W Bluetooth version: 5.0 Microphone interface: 2 Treble and bass adjustment: support Remote control: support Type: HIFI Channel: 2.0 USB/SD: Support FM radio: support Reverberation adjustment: support Lossless decoding: support Supported formats: FLAC, WAV, APE, MP3, etc. Voltage: AC110V Scope of application: mobile phones, computers, , , etc. Plug Type: US Plug,it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Colour:black Material:Metal Size:20 x 20.5 x 5.5CM Package Contents: 1 * power amplifier av-308b 1 * infrared remote control 1 * plug 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.