10Pcs High Quality 5.0 Lossless Car Audio Amplifier Module

10Pcs High Quality 5.0 Lossless Car Audio Amplifier Module Description

10Pcs High Quality 5.0 Lossless Car Audio Amplifier Module
Function description of VHM-314 V.20 version: Compared with the old version, the size is the same, the Bluetooth indicator is blue, and the power indicator is red. VHM-314 V.20 supports Bluetooth 5.0 and lithium battery charging, and adds functions such as keys, dial switches, DIY MUTE interfaces, etc. Product name:MP3 Bluetooth decoder board Product number:VHM-314 V.20 Bluetooth version: 5.0 USB powered:Universal micro-USB 5V power supply Power supply:3.7~5V Signal to noise ratio:90db +N: -70db Crosstalk:-86db DNR:91db Support configuration:A2DP/AVCTP/AVDTP/HFP Service Level: 5 meters VHM-314 V.20 Operating Instructions: Key 1: Short once is song, long is the volume increase (there be a "drip" sound prompt at the maximum volume) Key 2: Short : pause/play Key 3: Short once for the previous song, long to reduce the volume Push : Push up to supply power to the battery port. When there is no battery, micro-type supplies power indirectly Pull down switch: micro-type supplies power directly. If no micro-type supplies power, turn off the power. Be Careful: 1. The dial switch is fragile. Please protect the switch carefully to avoid damage, 2. micro-type indirect power supply may cause noise due to insufficient current supply Colour:black Material:PCB+electronic components Package Contents: 10 x MP3 Bluetooth Decoding Board Only the above package content, other products are not included. Note: Light reflection 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.