high quality JR-RX-12V 6V children's electric car Bluetooth remote control receiver compatible with models JR1705RX, JR1858RX, JR1758RX, JR1738RX, JR1810RX, JR1958-2S, JR1758-2S, JR1788RX, JR1758-2S-AD. This remote control receiver is designed for children's electric cars. To connect, press and hold the forward and reverse buttons simultaneously until the indicator light flashes, then turn on the car. When the light stops flashing, the connection is successful.For first use or after battery replacement, frequency matching is required. Step 1: Install two AAA 1.5V batteries (observe correct polarity) and close the battery cover. The indicator light will flash three times to confirm proper installation. Step 2: Press and hold the frequency key (car selection) for approximately 2 seconds until the indicator light flashes. Step 3: Turn on the vehicle; the light will turn off. Step 4: If frequency matching fails (light remains flashing), power off and repeat steps 2 and 3.Available in various models: RC 1, RC 2, JR-RX-12V A, JR-RX-12V A full set, JR-RX-12V B, JR-RX-12V B full set, JR-RX-6V, JR-RX-6V full set, JR1705RX 12V, JR1705RX full set, JR1858RX 12V, JR1858RX full set, JR1738RX 12V, JR1738RX full set, JR1810RX 6-12V, JR1810RX full set, JR1958RX-2S 12V, JR1958RX-2S full set, JR1788RX 12V, JR1788RX full set.Package options: Option 1: 1 x Remote Control; Option 2: 1 x Receiver; Option 3: 1 x Remote Control + 1 x Receiver.Note: The actual item color may vary slightly from images due to monitor brightness or lighting conditions. Slight measurement deviations may occur due to manual measurement.