Bluetooth Amplifier Circuit Module with wireless HI-Fi. This circuit support USB, AUX, Memory card and bluetooth connection. This module support 5 watts Boom speakere module. Good quality sounds. Here B stands for battery connection and SP stands for peaker connection.
Connect 3.7v battery like lithium ion 18650 model to power the speaker. Connect the Mobile charger to the circuit to charge the battery.
5Watts 3.7volt Bluetooth Amplifier Circuit, HI-FI Module Board
Product Dimension-
L X W X H - 23 x 15 x 28mm
Weight - 7 grams
Country Of Origin : China