The BE700 has 2 types of connectors, and may not be compatible with this cord. Please check your connector before purchasing. ETC for Motorcycles 2 Wheeled ETC Mitsuzankowa BE51 BE61 BE700 USB Power Cord Connects to the connector of the ETC power cord to ensure power from USB (5 V2A recommended) so you can check and use the ETC for two wheels without installation work. The length is about 25 centimeters, all have been conducted through power test. Connects directly from the wire to the connector, so there is no problem with its strength and waterproof performance. Please check your ETC wiring and connectors before purchasing. We will accept returns in case of initial defects. Buy with confidence!