2PCS 9V 650mAh li-ion Battery 6F22 for RC Helicopter Model Microphone Toy Feature : Nominal Voltage:9V Capacity :650mAh li-ion Dimensions: W26.2mm*H48.0mm*T17.5mm Widely used in Multimeter Guitar Microphone Toy Remote Control and other electronic products. Note: USB cable is not included The package includes: 2 x battery