Essager Bluetooth Adapter 2in1 RXTX Audio Devices 5.1 Bluetooth Adapter for PC Speaker TV Car MP4 Tablet Phone

"1. Bluetooth 5.1, receive and transmit in one, support multiple protocols, mini compact, long battery life 2. Receive (RX)/transmit (TX) signal two-in-one, free switching, multi-scene application 3. Introduction to RX and TX equipment connections and usage RX mode: Press the "button" for 3 seconds to turn on the device, turn on the side light, dial "RX", the blue light flashes, turn on the mobile phone or tablet device, search for Bluetooth ES-BT10, and use it after pairing. Transmit mode (TX): Press the "button" for 3 seconds to turn on the device, turn on the side light and dial "TX," the red light flashes, turn on the Bluetooth headset or Bluetooth slightly (confirm that the headset or slightly speaker is not connected by other devices), wait for 3-5 seconds to complete the connection and then use it 4. Multi-scene multi-play RX: Transforms older devices into Bluetooth devices (e.g. older speaker and older cars) Launch Mode (TX): Play games, chase ball games, immerse yourself without disturbing others 5. Transmission distance 10 meters 6. Bluetooth 5.1 chip 7. Built-in HD noise reduction microphone, support incoming calls 8. Bending-resistant plug, suitable for multiple environments 9. Built-in 140 mA polymer battery, charge 1.5 hours, use 7-8 hours