Bluetooth 54 Aux Adapter Audio Receiver Transmitter 35mm Jack LED Display for Car/Home Stereo/Wired Headphones/Speaker/TV Feature: _x000D_ _x000D_ _x000D_ Equipped with high-definition display screen for real-time display of usage status _x000D_ Bluetooth 5.4 smart chip with zero latency, more stable connection _x000D_ Support TF card playback plug and play _x000D_ Large capacity, more durable, fully charged, continuous listening to music for 6 hours _x000D_ Stable signal transmission within 10 meters without obstacles _x000D_ Dual mode reception/transmission adjustable at will _x000D_ After connecting the speaker/amplifier, it instantly changes to Bluetooth _x000D_ Insert the in car AUX interface, connect your phone to Bluetooth, and your car will instantly have Bluetooth, allowing you to listen to music, navigate, and make hands-free calls without any issues _x000D_ Upgrade desktop computers/laptops to Bluetooth function, connect Bluetooth earphones/speakers to watch sports games/movies without disturbing family rest _x000D_ Old style TV upgraded to Bluetooth, connecting Bluetooth earphones/speakers for wireless TV streaming and watching movies is more convenient _x000D_ _x000D_ _x000D_ _x000D_ Specification: _x000D_ _x000D_ _x000D_ _x000D_ Bluetooth: 5.4 _x000D_ Frequency: 2.4GHz to 2.48GHz _x000D_ Bluetooth transmission distance 10 meters _x000D_ Bluetooth receiving distance 10 meters _x000D_ Charging voltage: DC 5V _x000D_ Battery 200mAh _x000D_ Working time: about 6 hours _x000D_ Bluetooth reception function: connect to 1 mobile phone _x000D_ Bluetooth emission function: Connect 1 pair of Bluetooth earphones _x000D_ Color: Black _x000D_ _x000D_ _x000D_ Use tips: _x000D_ _x000D_ _x000D_ First, connect the AUX interface of the product to the device and select the desired mode: transmit mode (TX), receive mode (RX). Press and hold the power button for about 3 seconds, and the display screen will light up. The corresponding icon on the display screen will automatically flash, indicating that the product is powered on and in a pairing state. _x000D_ Receiving mode (RX):Adjust the product mode to RX receiving mode, the RX flashes on the display screen, then turn on the Bluetooth of the phone, search for "GT69", click connect, and after successful connection, the RX stops flashing _x000D_ Transmission mode (TX):Adjust the product mode to TX transmission mode, TX flashes on the display screen, turn on the Bluetooth headset/speaker to enter the pairing state, wait for connection, and the TX icon stops flashing after successful connection _x000D_ _x000D_ _x000D_ _x000D_ Package including: _x000D_ _x000D_ _x000D_ _x000D_ 1Pc *Bluetooth 5.4 Receiver Transmitter _x000D_ _x000D_ _x000D_ Note: _x000D_ _x000D_ _x000D_ _x000D_ There could be some slight differences in the color tone of the pictures and the actual item. _x000D_ Please allow 1-2mm differs due to manual measurement, thanks. _x000D_ _x000D_ _x000D_ _x000D_ No Retail Box,Packing Safely in Bubble Bag. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_