Indledning
This manual provides essential information for the safe and effective operation of your Altec Lansing IMW478s Mini LifeJacket-3 Bluetooth Speaker. The Mini LifeJacket-3 is a rugged, compact, and waterproof portable speaker designed for various environments. It features Bluetooth wireless connectivity, True Wireless Stereo Plus pairing, an onboard microphone for hands-free communication, and a built-in power bank.
Please read this manual thoroughly before using the speaker and retain it for future reference.
Pakkens indhold
- Altec Lansing IMW478s Mini LifeJacket-3 Bluetooth Speaker
- USB opladningskabel
- Hjælpekabel (AUX).
- Monteringsbeslag
- Lynstartguide (ikke inkluderet i denne manual)
Produkt overview
Højttalerlayout

Figur 1: Forside view of the Altec Lansing IMW478s Mini LifeJacket-3 Bluetooth Speaker, showcasing its rugged design and speaker grilles.
Kontroller og indikatorer

Figur 2: Øverst view of the speaker, illustrating the control buttons. These typically include Power, Bluetooth Pairing, Volume Up/Next Track, Volume Down/Previous Track, and Play/Pause/Call Answer buttons.
- Power knap: Press and hold to turn the speaker On or Off.
- Bluetooth knap: Tryk på for at gå ind i Bluetooth-parringstilstand.
- Volume Up (+)/Next Track Button: Press to increase volume; press and hold to skip to the next track.
- Volume Down (-)/Previous Track Button: Press to decrease volume; press and hold to go to the previous track.
- Afspil/Pause/Opkald-knap: Press to play or pause audio; press to answer or end a call.
- LED-indikator: Displays power status, charging status, and Bluetooth pairing status.
Havne

Figur 3: Side view of the speaker revealing the protective flap covering the USB OUT (5V), AUX IN, and DC IN (5V) ports.
- DC IN (5V) Port: Til opladning af højttaleren med det medfølgende USB-kabel.
- AUX IN-port: For connecting external audio devices via a 3.5mm auxiliary cable.
- USB OUT (5V) Port: Functions as a power bank to charge other portable devices.
Opsætning
Indledende opladning
- Oplad højttaleren helt før første brug.
- Åbn beskyttelsesklappen på siden af højttaleren.
- Connect the small end of the USB charging cable to the DC IN (5V) port on the speaker.
- Tilslut den store ende af USB-kablet til en USB-strømadapter (medfølger ikke) eller en computers USB-port.
- The LED indicator will show charging status (e.g., solid red while charging, off when fully charged). Charging typically takes a few hours.
- Once fully charged, disconnect the cable and securely close the protective flap to maintain waterproofing.
Tænd/sluk
- To power on: Press and hold the Power button until the LED indicator lights up and you hear an audible prompt.
- To power off: Press and hold the Power button until the LED indicator turns off and you hear an audible prompt.
Betjeningsvejledning
Bluetooth-parring
- Ensure the speaker is powered on and within 30 feet (10 meters) of your Bluetooth device.
- The speaker will automatically enter Bluetooth pairing mode when powered on for the first time, or if no device is connected. The LED indicator will flash blue. If already connected, press the Bluetooth button to enter pairing mode.
- Aktiver Bluetooth på din enhed (smartphone, tablet, computer).
- Søg efter "Mini LifeJacket 3" in your device's Bluetooth settings.
- Select "Mini LifeJacket 3" to connect. Once paired, the LED indicator will turn solid blue, and you will hear a confirmation tone.
- If pairing fails, turn off the speaker and your device's Bluetooth, then repeat the steps.
Lydafspilning
- Afspil/pause: Tryk på knappen Afspil/pause.
- Lydstyrkekontrol: Tryk på knapperne Lydstyrke op (+) eller Lydstyrke ned (-).
- Næste nummer: Tryk på knappen Lydstyrke op (+), og hold den nede.
- Forrige nummer: Tryk og hold nede på lydstyrke ned-knappen (-).
Opkaldsstyring
- Besvar/afslut opkald: Press the Play/Pause/Call button.
- Afvis opkald: Press and hold the Play/Pause/Call button.
True Wireless Stereo Plus Pairing (TWS)
The Mini LifeJacket-3 supports TWS pairing, allowing you to connect two Mini LifeJacket-3 speakers for a stereo audio experience.
- Ensure both Mini LifeJacket-3 speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press and hold the Bluetooth button for 3 seconds until you hear a tone indicating TWS pairing mode.
- Den primære højttaler søger automatisk efter den anden højttaler.
- Once connected, you will hear a confirmation tone, and the LED indicators on both speakers will show a solid blue light.
- Tilslut nu din Bluetooth-enhed til den primære højttaler som beskrevet i afsnittet "Bluetooth-parring". Lyden afspilles i stereo gennem begge højttalere.
Aux-indgang (AUX)
To play audio from a device without Bluetooth capability:
- Åbn beskyttelsesklappen på siden af højttaleren.
- Connect one end of the 3.5mm auxiliary cable to the AUX IN port on the speaker.
- Tilslut den anden ende af kablet til hovedtelefonstikket eller lydudgangen på din enhed.
- Højttaleren skifter automatisk til AUX-tilstand.
- Styr afspilning og lydstyrke fra din tilsluttede enhed.
- Remember to close the protective flap when not in use.
Power Bank funktion
The Mini LifeJacket-3 can be used to charge other USB-powered devices.
- Åbn beskyttelsesklappen på siden af højttaleren.
- Connect your device's USB charging cable to the USB OUT (5V) port on the speaker.
- The speaker's internal battery will begin charging your device.
- Note that using the power bank function will deplete the speaker's battery.
- Remember to close the protective flap when not in use.
Opladning af højttaleren
The Mini LifeJacket-3 provides up to 16 hours of battery life on a full charge. When the battery is low, the LED indicator may flash, or you may hear an audible low battery warning.
To charge the speaker, follow the steps outlined in the "Initial Charging" section under Setup. Ensure the protective flap is securely closed after charging to maintain the speaker's waterproof integrity.
Waterproofing and Care
The Altec Lansing IMW478s Mini LifeJacket-3 is rated IP67 Waterproof, Dustproof, and Shockproof, and it floats. This means it can be submerged in water up to 1 meter (3.3 feet) for up to 30 minutes.

Figure 4: The Mini LifeJacket-3 speaker floating on the surface of water, demonstrating its waterproof and buoyant design.
Important Waterproofing Notes:
- Always ensure the protective flap covering the charging and AUX ports is securely closed before exposing the speaker to water or dust.
- Do not submerge the speaker in water deeper than 1 meter or for longer than 30 minutes.
- Rinse the speaker with fresh water after exposure to saltwater or chlorinated water, then dry thoroughly.
- Undgå at udsætte højttaleren for ekstreme temperaturer.
Opretholdelse
- Rensning: Brug en blød, damp klud til at rengøre højttaleren. Brug ikke skrappe kemikalier eller slibende rengøringsmidler.
- Opbevaring: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, charge the battery periodically to maintain its health.
- Havnepleje: Ensure the charging and AUX ports are free of debris before connecting cables. Always close the protective flap when not in use.
Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Højttaleren tænder ikke. | Batteriet er afladet. | Oplad højttaleren helt. |
| Kan ikke parre med Bluetooth-enhed. | Højttaleren er ikke i parringstilstand; enhedens Bluetooth er slået fra; højttaleren er for langt fra enheden. | Ensure speaker is in pairing mode (flashing blue LED). Turn Bluetooth on your device. Move speaker closer to device (within 30 ft/10m). Forget "Mini LifeJacket 3" on your device and try pairing again. |
| Ingen lyd fra højttaleren. | Volume is too low; speaker is not connected; incorrect input mode. | Increase volume on both speaker and connected device. Ensure speaker is successfully paired or AUX cable is properly connected. Check if speaker is in the correct mode (Bluetooth or AUX). |
| Lyden er forvrænget. | Volume is too high; low battery; interference. | Decrease volume. Charge the speaker. Move speaker away from other electronic devices. |
| Cannot charge external device using power bank. | Speaker battery is too low; cable issue. | Sørg for, at højttaleren er tilstrækkeligt opladet. Prøv et andet USB-kabel. |
Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | Altec Lansing |
| Model | IMW478s (Mini LifeJacket-3) |
| Forbindelsesteknologi | Bluetooth |
| Wireless Range | Op til 30 fod (10 meter) |
| Batterilevetid | Op til 16 timer |
| Vandtæt vurdering | IP67 (Waterproof, Dustproof, Shockproof, Floats) |
| Lydudgangstilstand | Stereo (med TWS-parring) |
| Strømkilde | Batteridrevet |
| Produktmål (D x B x H) | 2.76" x 7.87" x 1.57" (7.01 cm x 19.99 cm x 3.99 cm) |
| Varens vægt | 15.8 ounce (447.9 gram) |
| Særlige funktioner | Built-in Microphone, Power Bank (USB OUT 5V), True Wireless Stereo Plus Pairing |

Figure 5: The Mini LifeJacket-3 speaker mounted on an ATV handlebar, demonstrating its versatility and the use of the included mounting bracket.
Garanti og support
The Altec Lansing IMW478s Mini LifeJacket-3 Bluetooth Speaker comes with a Limited Warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Altec Lansing webwebsted.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact Altec Lansing customer service or visit their official support page. Contact information can typically be found on the product packaging or the manufacturer's webwebsted.
Officiel Webwebsted: https://alteclansing.com/





