Bakeey M13 2-in-1 bluetooth 5.3 Transmitter Receiver NFC RCA/3.5mm AUX /Optical/Coaxial Wireless Audio Adapter Hands-fre

Specifications Product model OMS M13bluetooth version bluetooth V5 3Support protocol rx a2dp avrctx a2dpWorking frequency band 2 402GHz 2 480GHzPower level Power level 2 Class II Sensitivity 85dBm0 1 BERSignal to noise ratio ≥90dBDistortion ≤0 1 Interface type input 3 5mm AUX RCA Optical Coaxial USB Output 3 5mm AUX RCAOptical fiber parameters optical fiber input is supported and the sampling rate is 32 44 1 48 96 192KHz and 24bit Supported formats MP3 WAV WMA APE FLAC M4A ALAC AMR Screen size 25 10mm LEDOperating current 40mABuilt in battery 3 7V 1000mAh 3 7W Charging current about 1000mACharging time about 1 5 hoursDuration about 10H for RX and 10 12H for TX bluetooth distance 10 20M under barrier free conditions Charging method Type C 5V 1000mACompatible devices Android IOS mobile phones and PADs active speakers amplifiers and bluetooth speakers or headphones supporting A2DP protocol Features 1 Designed with bluetooth 5 3 chip it is more compatible and stable 2 bluetooth receiving RX and bluetooth transmitting TX design 3 The reception mode is upgraded to one for two and two mobile phones can be connected to listen to songs at the same time 4 Equipped with high definition LED digital display screen full screen display of working status and bluetooth mode are clearly visible 5 Built in digital signal to analog chip supports digital optical fiber coaxial AUX and RCA interfaces 6 Upgrade the wireless NFC sensing function