Dual Mic Interface Digital Reverb Dynamic Anti-HowlingSupport mobile phone bluetooth audio TV coaxial inputSupply voltage DC 12VAudio input and output are 3.5m stereo, coaxial input RGA lotus interface;Support line input, coaxial input, 5.0 Bluetooth audio (Bluetooth name: MK88) digital reverb, two effect modes, support dual microphone input, high and low bass adjustmentColour: BlackMaterial: ABSPackage Contents:1 x Bluetooth Coaxial DecoderOnly the above package content, other products are not included.Note: Light shooting 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.