ADAM elements EVE II 2-in-1 Bluetooth Transmitter Receiver User Manual

1. Product Overview

The ADAM elements EVE II is a versatile 2-in-1 Bluetooth 5.3 audio adapter designed to enhance your audio experience. It functions as both a Bluetooth transmitter (TX) and a Bluetooth receiver (RX), allowing you to wirelessly connect non-Bluetooth audio sources to Bluetooth headphones/speakers, or enable non-Bluetooth audio devices to receive audio from Bluetooth sources. Its foldable dual 3.5mm AUX plug is specifically designed for in-flight entertainment systems, and it supports simultaneous connection to two Bluetooth devices.

2. Key Features

• 2-in-1 Bluetooth 5.3 Technology: Supports both Transmitter (TX) and Receiver (RX) modes for versatile audio connectivity.
• Foldable Dual 3.5mm AUX Plug: Specifically designed for airline entertainment systems, allowing use of personal Bluetooth headphones.
• Dual-Link Audio Streaming: Connects to two sets of Bluetooth headphones or speakers simultaneously in TX mode for shared listening.
• Extended 20-Hour Battery Life: Integrated 270 mAh rechargeable lithium battery provides long-lasting operation.
• Wide Connectivity & 10m Range: Offers a stable wireless transmission range of up to 10 meters (33 feet) and includes an additional 3.5mm stereo cable for broad compatibility.

3. Package Contents

Please verify that all items are present in the package:

• ADAM elements EVE II 2-in-1 Bluetooth Transmitter Receiver
• USB-C Charging Cable
• 3.5mm Audio Cable
• User Manual

4. Setup

4.1 Charging the Device

Before initial use, fully charge the EVE II. Connect the provided USB-C charging cable to the device's USB-C port and the other end to a standard USB power adapter (not included). The LED indicator will show charging status and turn off when fully charged.

4.2 Power On/Off

• To Power On: Press and hold the multi-function button for approximately 3 seconds until the LED indicator lights up.
• To Power Off: Press and hold the multi-function button for approximately 3 seconds until the LED indicator turns off.

4.3 Mode Selection (Transmitter TX / Receiver RX)

The EVE II features a bidirectional switch to select between Transmitter (TX) and Receiver (RX) modes. Locate the switch on the side of the device and slide it to your desired mode.

Image: The ADAM elements EVE II device illustrating the TX (Transmitter) and RX (Receiver) mode switch. The TX mode allows the device to send audio, while RX mode allows it to receive audio.

5. Operating Instructions

5.1 Transmitter (TX) Mode

In TX mode, the EVE II transmits audio from a non-Bluetooth source to Bluetooth headphones or speakers.

1. Set the EVE II to TX mode using the switch.
2. Connect the EVE II to your audio source (e.g., airplane entertainment system, TV, Nintendo Switch) using the 3.5mm AUX plugs or the included 3.5mm audio cable.
3. Power on the EVE II. It will automatically enter pairing mode (LED indicator will flash).
4. Put your Bluetooth headphones or speakers into pairing mode.
5. The EVE II will automatically search for and connect to nearby Bluetooth devices. Once connected, the LED indicator will remain solid.

Image: The ADAM elements EVE II connected to an airplane seat's dual 3.5mm audio jack, allowing wireless audio transmission to Bluetooth earbuds.

Dual-Link Connection (TX Mode)

The EVE II supports connecting to two Bluetooth headphones/speakers simultaneously.

1. Connect the first Bluetooth device as described above.
2. Once the first device is connected, press the multi-function button once to enter pairing mode for the second device. The LED will flash.
3. Put your second Bluetooth headphones or speakers into pairing mode.
4. The EVE II will connect to the second device. Both devices will now receive audio from the source.

Image: A hand holding the ADAM elements EVE II, demonstrating its ability to connect wirelessly to two separate pairs of Bluetooth earbuds simultaneously.

5.2 Receiver (RX) Mode

In RX mode, the EVE II receives audio from a Bluetooth source (e.g., smartphone, tablet) and outputs it to a non-Bluetooth audio device (e.g., car stereo, home speaker system).

1. Set the EVE II to RX mode using the switch.
2. Connect the EVE II to your audio output device (e.g., car stereo AUX input, home speaker system) using the 3.5mm AUX plugs or the included 3.5mm audio cable.
3. Power on the EVE II. It will automatically enter pairing mode (LED indicator will flash).
4. On your Bluetooth audio source device (e.g., smartphone), enable Bluetooth and search for "ADAM elements EVE II" in the list of available devices.
5. Select "ADAM elements EVE II" to pair. Once connected, the LED indicator will remain solid.
6. Play audio on your source device, and it will be transmitted wirelessly to the EVE II and then outputted to your connected audio system.

Image: The ADAM elements EVE II connected to a traditional home stereo system, enabling it to receive Bluetooth audio from a smartphone.

6. Maintenance

To ensure optimal performance and longevity of your ADAM elements EVE II, please follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the device. Avoid using harsh chemicals or abrasive materials.
• Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
• Battery Care: Handle the integrated lithium battery properly. Avoid fully discharging the battery for extended periods. Recharge regularly, especially if not used for a long time.
• Environmental Conditions: Use the device within specified temperature and humidity ranges to prevent damage.
• Interference: Avoid placing the device near other wireless devices that may cause signal interference.

7. Troubleshooting

If you encounter issues with your EVE II, refer to the following common problems and solutions:

• Device does not power on: Ensure the device is fully charged. Connect it to a power source using the USB-C cable and try again.
• Cannot pair with Bluetooth device:
  • Ensure the EVE II is in the correct mode (TX for transmitting, RX for receiving).
  • Make sure both the EVE II and your target Bluetooth device are in pairing mode.
  • Move the devices closer to each other.
  • Turn off and on both devices, then attempt pairing again.
  • Clear previous Bluetooth connections on your target device if possible.
• No audio or poor audio quality:
  • Check that the 3.5mm audio cable is securely connected to both the EVE II and the audio source/output device.
  • Ensure the volume on both the EVE II (if applicable) and the connected audio devices is turned up.
  • Verify that the EVE II is successfully paired and connected to your Bluetooth device.
  • Reduce interference by moving away from other wireless devices or obstacles.
• Short Bluetooth range:
  • Ensure there are no major obstructions (walls, metal objects) between the EVE II and the connected Bluetooth device.
  • Move the devices closer to each other. The maximum range is 10 meters (33 feet) in an open environment.

8. Specifications

9. Warranty and Support

9.1 Warranty Information

The ADAM elements EVE II comes with a 3-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or natural disasters. Please retain your proof of purchase for warranty claims.

9.2 Customer Support

For further assistance, technical support, or warranty inquiries, please contact ADAM elements customer service through their official website or the retailer where the product was purchased. Please have your product model and purchase details ready when contacting support.