I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Please feel free to contact us if you have any questions.Specifications:Low power consumption, widely used in tape recorders and radios.Wide operating voltage range: 4-12V.Fewer external components, low distortion.On-board volume control potentiometer clockwise to increase the volume.With power indicator light.Item Name: LM386 Amplifier BoardVoltage Range: DC 4-12VDefault Gain: 200Size: 4.1cm x 1.3cm/1.61" x 0.51" (Approx.)Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Included:1 x LM386 Amplifier Board