Brand: JoyoFunction: Joyo lead mini guitar amplifierFeatures:- Lead guitar with delay effect- Plug your CD or MP3 player in and play along- Easy to use， catch your inspiration anytime- Small enough to clip to your belt or hang from guitar body- 1/8 inch stereo in allows you to play along with music- Power indicator3 Controls: Gain (dist.) / Tone (treb.) / Volume Mp3 Input Jack: 3.5mmEarphone Input Jack: 3.5mmSound Effects: Clean / Distortion / DelayBattery: 2 pieces of AAA 1.5V batteryColor: Black & Silver Product Dimensions (L x W x H): 88 x 76 x 27mmProduct Weight: 42g (Battery not included)Package Weight: 79gAfter Sales Service: 1 Year Warranty2 x AAA battery