Brand - Edifier, Model - Edifier PW312, Type - Trolley Speaker, Channel - 1:0, Connectivity - Bluetooth, RMS/Channel (Watt) - 40W, Output Power - 40W, Signal to Noise Ratio (dB) - >- 85dB(A), Memory Card Slot - Yes, Memory Card Type - Micro SD, USB Port - Yes, Microphone - Yes, Remote Control - Yes, Bluetooth Version - Bluetooth 5.0, Input Interface - Aux, Bluetooth, MIC, USB, microSD, Guitar, Battery - 12V/9000mAh, Playing Time - Up to 8 Hours, Dimensions (WxHxD) - 350 x 302 x 572 mm, Weight - 14.3 kg, Color - Black, Feature - Multiple input modes with bluetooth, Intelligent noise suppression will prevent your mic, Guitar support, Dual microphone included, Others - Cabinet material: Wooden, Total harmonic distortion: <-0.5%, Input sensitivity: LINE IN input: 250 +- 50mV, Bluetooth input: 200 +- 50mFFS, Guitar input: 110 +- 50mV, Bluetooth specification: CSR8615, V5.0, Loudspeakers: 12-inch mid-bass + true horn tweeter, Specialty - Professional stage-level compression horn tweeter, DSP digital audio processing, dynamic amplifier power management, Multiple input modes with Bluetooth, Aux input, microphone input, guitar input, microSD card and USB input, QCC 5.0 Bluetooth chip for long transmission distance, good compatibility and strong anti-interference ability, Multiple microphone input forms, anti-feedback/reverb control/recording, frequency control functions available, Battery can last up to 8 hours, Simple and top-mounted console, easy to use, Indoor and outdoor modes, also accompaniment mode for karaoke, Warranty - 1 Year (No Warranty for Remote)