3pcs Car Speaker Amplifier bluetooth 4.1 Audio Receiver Module Modification Accessories Motherboard Stereo
Moonshine Dual Channel Stereo Bluetooth Speaker Amplifier Board Power Lithium Battery with Power Charging Management (70 x 40 mm, 6 W and 6 W) : Amazon.in: Electronics
Buy Wholesale China Bluetooth Speaker Bluetooth Smart Scheme Motherboard Pcba Oem/odm Service & Electronic Product at USD 2 | Global Sources
1X Car Bluetooth MP3 Decoder Board Bluetooth Speaker Motherboard Radio Module | eBay