M9/M9 Pro bluetooth 5.1 Audio Receiver Transmitter DSP 1200mAh Wireless Adapter NFC/AUX/RCA/USB U-Disk/TF/6.5 Mic Karaok

Specification Model M9 M9 Probluetooth Version bluetooth V5 1Support Protocol A2DP AVRCP HSP OPP GATT SMWorking Frequency Band 2 402GHz 2 480GHzPower Level Power level 2 Class II Sensitivity 85dBm0 1 BERSignal to Noise Ratio ≥90dBDistortion ≤0 1 M9 Input Interface 3 5mm AUX RCA USB TF Interface 6 5 MIC CoaxialM9 Pro Input Interface 3 5mm AUX RCA FM Radio USB TF Interface 6 5 MICM9 M9 Pro Output Interface 3 5mm AUX RCAM9 Pro Radio Parameters FM 87 5 108MHzSupport Format MP3 WAV WMA APE FLAC G729 M4A ALAC AMR DTS MIDI G726 MTYScreen Size 36 8MMWorking Current 40mABuilt in Battery 3 7V 1200mAhCharging Current about 1000mA MAX Charging Time about 1 5 hoursBattery Life RX about 8H TX about 8Hbluetooth Distance ≤30M open place Charging Method Type C 5V 1ACompatible Devices Android iOS system mobile phones and tablets active speakers power amplifiers and bluetooth speakers or earphones that support A2DP protocol Features 1 Versatile Connectivity The M9 M9 Pro offers multiple input interfaces including 3 5mm AUX RCA USB TF and more allowing you to connect various devices such as mobile phones tablets active speakers and power amplifiers 2 bluetooth V5 1 Equipped with the latest bluetooth version the M9 M9 Pro ensures fast and stable wireless connectivity with compatible devices It supports popular bluetooth protocols including A2DP AVRCP HSP OPP GATT and SM 3 High Quality Audio With a signal to noise ratio of ≥90dB and distortion