💎On-board volume control potentiometer, clockwise increasing volume with power indicator
⚡ Power input range: 3-12V, ≥5V recommended
🥇Product features: low power consumption, large supply voltage range, few external components
🥈 Product use: Suitable for various recorders and radio accessories
🥉Product Content List:LM386*3
Product Dimensions:3.4 x 2.6 x 0.01 inches