Audio-Technica Digital Wireless System, 2.4GHz frequency band, ATW-R1501 model. An L-shaped cable is included as a bonus. Operation confirmed. ●ATW-R1500 Receiving System: Automatic channel setting Maximum Audio Output Level: 12dBV (φ6.3mm TRS balanced) Power Supply: DC12V (using the included AC adapter, for Japan only) Power Consumption: 170mA (DC9-12V) External Dimensions: H44 x W101 x D130mm Weight: Approximately 565g ●ATW-T1001J Transmission Output: 10mW Power Supply: DC3V (2 x AA alkaline batteries, or 2 x AA Ni-MH rechargeable batteries (1900mAh or more)) Operating Time: Approximately 6 hours *Operating time varies depending on the type of batteries used and the ambient temperature. Weight (excluding batteries): Approximately 100g - Included Accessories: AC adapter, 2 cables Thank you for viewing.