Bluetooth Audio Receiver Board Bluetooth 5.0 Mp3 Lossless Board Wireless Stereo Music Module XY-WRBT-no Remote Control

Product Parameter ·Product name : Bluetooth . ·Product model : XY-WRBT. ·Working voltage : 3.7~24VDC ·Bluetooth version : 5.0. ·Transmiion distance : 15m ( visible and unshielded) ·Signal-to-noise ratio : ≥90dB ·Distortion : ≤ -70dB ·Number of vocal tract : Dual Channel ( Stereo ). ·Audio interface : 3.5mm audio interface. ·Modular protection mechanism : Back-connection protection of power supply . Operation Instructions Ar switching on the power supply , the blue indicator flashes and enters the Bluetooth mode;ar broadcasting the"prompt sound" , it enters the matching mode and waits for matching;ar broadcasting the " prompt sound" , the mobile Bluetooth searches for" XY-WRBT" ( the name of the power amplifier board device ) , clicks on the "XY-WRBT" connection , and plays the "prompt sound"ar the connection is succeful , and when the indicator light is long , the mobile music can be played.When playing music , the indicator light flickers slowly;ar Bluetooth disconnects , the amplifier board prepares for the pairing , and plays the prompttone" and enters the pairing mode to wait for the pairing. Main Matters Cautions for Power Supply with 3.7V Lithium Battery 1.When powered by batteries , the battery voltage is le than 3.3V board automatically shuts down , and the contacts are switched on/off for 2 seconds ar re-energizing or full charging 2.When using batteries to supply power , if the voltage of batteries is too low , there may be " nourishing"noise . In this case , the batteries need to be charged 3.Because there is no charge protection circuit for lithium batteries on board, it is recommended to use lithium batteries with protection board. 4.If your supports Micro USB charging directly,you can use Micro USB charging directly to the battery. 1.Micro-USB mobile phone charger , 3.7-4.2V lithium battery and 3.7-24V DC power supply can be used for power supply. 2.Short "on/off contact" 2 seconds can set board on/off , for battery power supply , When not in use , power-saving , convenient refitting.Installation dimension.

About shipping
Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days ar buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

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