Roland Audio Black R-07-BK, High-Resolution Recorder,

------------------------------------------------------------------------------------------------------------------ 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ------------------------------------------------------------------------------------------------------------------ USB Interface: USB port: USB Micro-B type Frequency Response: 20Hz - 40kHz (+-3dB) Recommended Load Impedance: 16 ohms or greater Output Level: 3 mW + 3 mW (In case 16 ohms load) Input Impedance: MIC/AUX IN: 4.5k ohms