ESSAGER ES-BT10 Built in Battery Jack Aux 3.5mm to Bluetooth Transmitter Receiver

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July 18, 2025
Category Connection: USB OTG Adapters
Brief: Discover the ESSAGER ES-BT10, a versatile Bluetooth 5.1 transmitter and receiver with a built-in battery. This compact device seamlessly converts any 3.5mm audio jack into a wireless Bluetooth connection, perfect for upgrading old speakers or enjoying private audio. With dual-mode functionality, long battery life, and a 10m range, it's ideal for home, car, or on-the-go use.
Related Product Features:
  • Bluetooth 5.1 dual-mode (RX & TX) for seamless wireless connectivity.
  • 2-in-1 receiver and transmitter mode for versatile usage scenarios.
  • 10m transmission distance ensures reliable and stable connectivity.
  • Built-in noise-canceling microphone for clear hands-free calls.
  • Durable foldable plug adapts to various environments with ease.
  • 140mAh battery provides 7-8 hours of usage with 1.5-hour fast charging.
  • Compact and portable design for easy carrying and storage.
  • Supports multiple Bluetooth protocols for broad compatibility.
Faqs:
  • How do I switch between receiver and transmitter modes?
    Press and hold the power button for 3 seconds to turn on, then switch the side button to 'RX' mode (blue light flashes) for receiver mode or 'TX' mode (red light flashes) for transmitter mode.
  • What is the battery life of the ESSAGER ES-BT10?
    The built-in 140mAh battery offers 7-8 hours of continuous usage and can be fully charged in just 1.5 hours.
  • Can I use the ES-BT10 to upgrade my car audio system to Bluetooth?
    Yes, in receiver (RX) mode, the ES-BT10 can connect to your car's audio system via the 3.5mm jack, allowing you to stream music wirelessly from your phone or tablet.