Introduzione
The Outdoor Tech Turtle Shell 4.0 is a portable, rugged, and waterproof wireless Bluetooth speaker designed for outdoor adventures. It features 360-degree sound, a durable IPX7-rated construction, and an extended battery life, making it ideal for various environments from camping to poolside relaxation. This manual provides essential information for setting up, operating, and maintaining your speaker.

Figure 1: Turtle Shell 4.0 highlighting key features like waterproof, 18-hour battery, impressive sound, Siri/Power Bank, and simple controls.
Chì ci hè in u Box
- Turtle Shell 4.0 Wireless Bluetooth Speaker
- Cavu di carica USB-C
- Carry sacca
- Instructional manual (this document)
Istituisci
1. Caricà u Speaker
Before first use, fully charge your Turtle Shell 4.0. The charging port has been upgraded to USB-C for faster and more efficient charging.
- Cunnette u cavu di carica USB-C furnitu à u portu di carica di l'altoparlante.
- Cunnette l'altra estremità di u cavu à un adattatore di alimentazione USB cumpatibile (micca inclusu) o à a porta USB di un urdinatore.
- A full charge takes approximately 3 hours. The LED indicator will change to show charging status (refer to LED indicator section for details).
2. Powering On / Off
- Per accende: Appughjà è tene premutu u buttone d'accensione (⏻) until you hear an audible cue or see the LED indicator light up.
- Per spegne: Appughjà è tene premutu u buttone d'accensione (⏻) again until you hear an audible cue or the LED indicator turns off.
3. Abbinamentu Bluetooth
The Turtle Shell 4.0 can be effortlessly paired with your smartphone or other Bluetooth-enabled devices from up to 65 feet away.
- Ensure the speaker is powered on and in pairing mode (the LED indicator will typically flash rapidly).
- In u vostru dispositivu, andate à i paràmetri Bluetooth.
- Select "Turtle Shell 4.0" from the list of available devices.
- Once connected, the LED indicator will show a solid light, and you will hear a confirmation tone.
4. Daisy-Chaining Multiple Speakers
The Turtle Shell 4.0 features an upgraded daisy-chain function, allowing you to link up to 50 Shells together for a massive portable stereo sound experience.
- Ensure all speakers you wish to link are powered on and not currently paired to any device.
- Pair the first speaker (master speaker) to your device via Bluetooth as described above.
- On the master speaker, press the daisy-chain button (refer to button layout for specific icon).
- On the additional speakers, press their daisy-chain button. They will automatically connect to the master speaker.
- Repeat for up to 50 speakers.
Istruzzioni di funziunamentu
1. Funzioni di u buttone

Figura 2: Side view of the Turtle Shell 4.0 with visible control buttons.
| Pulsante | Funzione (Pressione Breve) | Funzione (pressa longa) |
|---|---|---|
| putenza (⏻) | Verificate u statu di a bateria | Power On/Off |
| Diminuisce u vulume (-) | Diminuisce u voluminu | Traccia precedente |
| Multi-function (Bigfoot icon) | Leghje/Pausa, Rispondi/Fine Chjama | Activate Siri/Google Assistant, Reject Call, Daisy-chain pairing |
| Aumentà u vulume (+) | Aumentà u voluminu | Prussima pista |
2. 360-Degree Audio Experience
The Turtle Shell 4.0's patented Dual-Directional Sound technology produces an immersive 360-degree audio experience, ensuring powerful sound from all angles. This is achieved through two full-range drivers and a bass radiator housed within its unique polygonal design.
3. Smart Assistant Compatibility
Activate your device's Siri or Google Assistant directly from the speaker by long-pressing the multi-function button (Bigfoot icon).
4. Hands-Free Calling
With the built-in microphone, you can answer and end calls directly through the speaker. Short press the multi-function button to answer or end a call. Long press to reject an incoming call.
5. Funzionalità di a batteria esterna
The 4K mAh battery allows you to charge small devices while enjoying your music. Connect your device to the speaker's USB-A output port (located under the sealed port cover) using your device's charging cable.
6. Opzioni di muntatura
The Turtle Shell 4.0 includes a standard 1/4"-20 camera threading mount and custom strap mounts for multiple easy carry and transport options, allowing you to secure it to various surfaces or gear.

Figure 3: The Turtle Shell 4.0 is versatile for various outdoor activities including camping, general outdoor use, beach, and pool.
Mantenimentu
1. Waterproof and Durability
The Turtle Shell 4.0 is IPX7-rated waterproof, dustproof, and shockproof. This means it can be submerged in water up to 1 meter for 30 minutes. Ensure all port covers are securely sealed before exposing the speaker to water or dusty environments.

Figure 4: The Turtle Shell 4.0 demonstrating its IP67 waterproof capability.
2. Pulizia
Per pulisce l'altoparlante, asciugatelu cù un pannu dolce èamp cloth. Do not use abrasive cleaners or solvents. If exposed to saltwater or chlorinated water, rinse thoroughly with fresh water and allow to air dry completely before charging or opening port covers.
3. Storage
Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, ensure the battery is partially charged (around 50%) to preserve battery health.
Risoluzione di prublemi
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| L'altoparlante ùn s'accende micca. | Batteria bassa. | Caricate l'altoparlante per almenu 30 minuti. |
| Ùn si pò micca accoppià via Bluetooth. | L'altoparlante ùn hè micca in modu di accoppiamentu; Bluetooth di u dispusitivu hè disattivatu; troppu luntanu da l'altoparlante. | Ensure speaker is in pairing mode (flashing LED). Turn device Bluetooth off and on. Move device closer to speaker (within 65 feet). Forget device on your phone and re-pair. |
| Distorsione di u sonu à altu vulume. | Volume too high for audio source. | Reduce the volume on the speaker or your connected device. |
| Daisy-chaining not working. | Speakers not in correct mode; too many speakers. | Ensure all speakers are powered on and not paired to other devices before initiating daisy-chain. Confirm you are within the 50-speaker limit. |
| L'altoparlante ùn si carica micca. | Cable issue; port issue; power source issue. | Pruvate un altru cavu USB-C è adattatore di corrente. Assicuratevi chì u portu di carica sia pulitu è senza detriti. |
Specificazioni

Figure 5: Physical dimensions of the Turtle Shell 4.0 speaker.
| Feature | Detail |
|---|---|
| Nome di mudellu | OT4800-B |
| Tipu di parlante | Outdoor |
| Funzione speciale | Impermeabile |
| Usi cunsigliati | Indoor / Outdoor |
| Dispositivi compatibles | Smartphone, Tablet, Laptop, Desktop |
| Tipu di cuntrollu | Voice Control |
| Culore | Neru |
| A vita di a batteria | Finu à 18 ore |
| Cumpunenti inclusi | USB charging cable, carry pouch, instructional manual |
| Dimensioni di u produttu | 7.5 "D x 5.75" W x 3.2 "H |
| Valutazione impermeabile | IPX7 |
| Capacità batterie | 4000 mAh |
| Tempu di carica | 3 Ore |
| Gamma massima Bluetooth | 65 Piedi |
| Pesu di l'articulu | 1.37 liri |
| Tecnulugia di cunnessione | Bluetooth |
| Modu Output Audio | Stereo |
| Materiale | Mixed Plastic/Silicone |
Video ufficiale di u produttu
Watch this video to see the Turtle Shell speaker in action, demonstrating its ruggedness and suitability for outdoor activities like paddleboarding. Please note this video features the Turtle Shell 3.0, a previous model, but showcases similar core functionalities and durability relevant to the Turtle Shell 4.0.
Video 1: "SUP with the Turtle Shell 3.0 Speaker" by Outdoor Technology. This video demonstrates the speaker's use in a water environment.
Garanzia è Supportu
Outdoor Tech products are designed for durability and performance. For warranty information and customer support, please visit the official Outdoor Tech websitu o cuntattate direttamente u so serviziu clienti. Conservate a vostra prova d'acquistu per qualsiasi reclamu di garanzia.
Per più assistenza, pudete ancu riferisce à u Outdoor Tech Store on Amazon.





