1Mii SafeFly Dual Bluetooth Transmitter User Manual

1. Introducció

The 1Mii SafeFly Dual is a compact and versatile Bluetooth 5.3 audio transmitter designed to bring wireless audio capabilities to non-Bluetooth devices. It features an OLED display for easy monitoring of battery, volume, and connected devices, and supports dual headphone connections for shared listening experiences. Its long battery life and low-latency audio codecs make it ideal for travel, gym use, and home entertainment.

Característiques principals:

• Pantalla OLED: Convenientment view battery capacity, volume level, connected devices, and audio format (SBC/AAC/aptX HD/LL/AD).
• Wireless Music for Travel: Compact and portable, perfect for airplanes, gyms, and TVs with 3.5mm audio jacks.
• Superior High-Fidelity Sound Quality: Supports aptX Low Latency for clear, distortion-free audio with minimal delay.
• Bluetooth 5.3 Easy Setup: Provides a stable wireless connection for non-Bluetooth devices like laptops, TVs, and gaming consoles.
• Connexió dual: Connects to two headphones or Bluetooth earphones simultaneously.
• Temps de reproducció llarg: Built-in 250mAh battery offers up to 25 hours of use on a single 1.5-hour charge.

Figure 1: 1Mii SafeFly Dual Bluetooth Transmitter and accessories.

2. Informació de seguretat

• Bateria: Do not dispose of in fire or water. Keep away from heat, sparks, and open flames.
• Bluetooth: May interfere with other wireless devices. Follow instructions for proper use and disposal.
• This device is a Bluetooth Transmitter ONLY. It does not function as a receiver.

3. Contingut del paquet

• 1Mii SafeFly Dual Bluetooth Transmitter
• Cable de càrrega USB-C
• 3.5mm Audio Adapter (for airplane seats with dual jacks)
• Manual d'usuari
• Enganxament de clauer

4. Guia de configuració

4.1 Engegada/apagada

To power on the 1Mii SafeFly Dual, slide the ON/OFF switch to the "ON" position. The device will automatically enter pairing mode for first-time use. To power off, slide the switch to the "OFF" position.

Figure 2: Sliding the ON/OFF switch to power on the device.

4.2 Connexió a una font d'àudio

Plug the 3.5mm audio jack of the 1Mii SafeFly Dual into the audio output port of your non-Bluetooth device. This can include laptops, computers, TVs, gym equipment, or in-flight entertainment systems. For dual-jack airplane seats, use the included 3.5mm audio adapter.

Figure 3: The 1Mii SafeFly Dual in Transmitter Mode, connecting to various devices.

Figure 4: Enjoying wireless audio on an airplane using the 1Mii SafeFly Dual.

4.3 Pairing with Wireless Headphones

Once the SafeFly Dual is powered on and connected to an audio source, it will enter searching mode. Put your wireless headphones (AirPods, earbuds, or over-ear headphones) into their pairing mode. The SafeFly Dual's OLED screen will display available devices. Use the '+' and '-' buttons to navigate and the 'M' button to confirm selection and pair.

Figure 5: The 1Mii SafeFly Dual in searching mode, ready to pair.

5. Instruccions de funcionament

5.1 OLED Display Overview

The OLED display provides real-time information about the device's status. You can see:

• Capacitat de la bateria
• Nivell de volum
• Connected device names (A and B for dual connection)
• Audio codec in use (SBC/AAC/aptX HD/LL/AD)

Figure 6: The OLED display showing battery, codec, and connected devices.

5.2 Connexió dual

The 1Mii SafeFly Dual supports connecting to two Bluetooth headphones simultaneously. After pairing the first headphone, press the 'M' button for 2 seconds to re-enter pairing mode for the second device. Once both are connected, you can switch between them using the '+' and '-' buttons after a long press of the 'M' button.

Figure 7: Dual connection feature allowing two headphones to be paired simultaneously.

5.3 Switching Audio Codecs

To switch between supported audio codecs (aptX HD, aptX LL, SBC, AD), double-press the 'M' button. The current codec will be displayed on the OLED screen. Ensure your headphones also support the desired codec for optimal performance.

5.4 Bateria i càrrega

The device has a built-in 250mAh battery, providing up to 25 hours of playback time. It takes approximately 1.5 hours to fully charge using the provided USB-C cable. You can continue using the device while it is charging.

Figure 8: The 1Mii SafeFly Dual offers extended battery life for long journeys.

6. Manteniment

To ensure the longevity of your 1Mii SafeFly Dual:

• Mantingueu el dispositiu net netejant-lo amb un drap suau i sec.
• Eviteu exposar el dispositiu a temperatures extremes, humitat o llum solar directa.
• Emmagatzemar en un lloc fresc i sec quan no s'utilitzi.
• Feu servir només el cable USB-C proporcionat per carregar.

7. Solució De Problemes

• Device automatically shuts down: The transmitter will automatically shut down if it is not connected to a Bluetooth device or if there is no audio stream for 5 minutes to protect battery life. To use it again, turn it on again.
• No es pot emparellar amb auriculars:
  • Ensure the SafeFly Dual is in pairing mode (searching displayed on OLED).
  • Assegureu-vos que els vostres auriculars estiguin en mode de vinculació.
  • Apropeu els dispositius entre si.
  • Clear previous pairing records on the SafeFly Dual by long-pressing the 'M' button for 8 seconds.
• Sense àudio o mala qualitat d'àudio:
  • Check if the 3.5mm audio jack is fully inserted into the source device.
  • Verify the volume level on both the SafeFly Dual and your headphones.
  • Ensure the correct audio codec is selected (double-press 'M' button).
  • Test with different headphones or audio sources to isolate the issue.
• Lag or latency in audio:
  • Ensure both the SafeFly Dual and your headphones support aptX Low Latency (aptX LL) and that it is the active codec.
  • Reduce the distance between the transmitter and headphones.
  • Minimitzar les interferències d'altres dispositius sense fil.

8. Especificacions

9. Garantia i Suport

Per obtenir informació sobre la garantia i assistència tècnica, consulteu la pàgina oficial d'1Mii. weblloc web o contacteu directament amb el servei d'atenció al client. Conserveu el rebut de compra per a reclamacions de garantia.

You can visit the 1Mii Store on Amazon for more information: 1Mii Amazon Store