Complete Bluetooth Audio Module Kit with Battery, Remote & Speakers

The OTS Complete Audio Module Kit is an all-in-one solution for DIY speaker projects and portable audio systems. It includes a Bluetooth audio player module with digital display, wireless remote control, USB playback, TF card support, AUX input and FM radio. The kit also includes a 3.7V 2000mAh 18650 lithium-ion battery, battery holder, TP4056 charging module and connection cable. Two speakers are shown in the product image. The advertised dual amplifier output is 20W + 20W; actual output depends on the module, power supply, speaker impedance and operating conditions. Suitable for DIY speaker assembly, audio experiments and custom sound systems.