Introducción
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.
¿Qué hay en la caja?
- Turtle Shell 4.0 Wireless Bluetooth Speaker
- Cable de carga USB-C
- Bolsa de transporte
- Instructional manual (this document)
Configuración
1. Carga del altavoz
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.
- Conecte el cable de carga USB-C provisto al puerto de carga del altavoz.
- Conecte el otro extremo del cable a un adaptador de corriente USB compatible (no incluido) o al puerto USB de una computadora.
- A full charge takes approximately 3 hours. The LED indicator will change to show charging status (refer to LED indicator section for details).
2. Encendido / apagado
- Para encender: Mantenga presionado el botón de encendido (⏻) until you hear an audible cue or see the LED indicator light up.
- Para apagar: Mantenga presionado el botón de encendido (⏻) again until you hear an audible cue or the LED indicator turns off.
3. Emparejamiento Bluetooth
The Turtle Shell 4.0 can be effortlessly paired with your smartphone or other Bluetooth-enabled devices from up to 65 feet away.
- Asegúrese de que el altavoz esté encendido y en modo de emparejamiento (el indicador LED normalmente parpadeará rápidamente).
- En su dispositivo, navegue hasta la configuración de 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.
Instrucciones de funcionamiento
1. Funciones de los botones

Figura 2: Lado view of the Turtle Shell 4.0 with visible control buttons.
| Botón | Función (pulsación corta) | Función (pulsación larga) |
|---|---|---|
| Fuerza (⏻) | Comprobar el estado de la batería | Encendido/apagado |
| Bajar volumen (-) | Disminuir el volumen | Pista anterior |
| Multi-function (Bigfoot icon) | Reproducir/Pausar, Responder/Finalizar llamada | Activate Siri/Google Assistant, Reject Call, Daisy-chain pairing |
| Subir volumen (+) | Aumentar el volumen | Pista siguiente |
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. Llamadas manos libres
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. Funcionalidad del banco de energía
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. Opciones de montaje
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.
Mantenimiento
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. Limpieza
Para limpiar el altavoz, límpielo con un paño suave y húmedo.amp 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. Almacenamiento
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.
Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| El altavoz no se enciende. | Batería baja. | Cargue el altavoz durante al menos 30 minutos. |
| No se puede emparejar a través de Bluetooth. | El altavoz no está en modo de emparejamiento; el Bluetooth del dispositivo está desactivado; demasiado lejos del altavoz. | 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. |
| Distorsión del sonido a alto volumen. | 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. |
| El altavoz no se carga. | Cable issue; port issue; power source issue. | Prueba con otro cable USB-C y adaptador de corriente. Asegúrate de que el puerto de carga esté limpio y sin residuos. |
Presupuesto

Figure 5: Physical dimensions of the Turtle Shell 4.0 speaker.
| Característica | Detalle |
|---|---|
| Nombre del modelo | OT4800-B |
| Tipo de altavoz | Exterior |
| Característica especial | Impermeable |
| Usos recomendados | Interior/exterior |
| Dispositivos compatibles | Teléfono inteligente, tableta, computadora portátil, computadora de escritorio |
| Tipo de controlador | Control de voz |
| Color | Negro |
| Duración de la batería | Hasta 18 horas |
| Componentes incluidos | USB charging cable, carry pouch, instructional manual |
| Dimensiones del producto | 7.5" de profundidad x 5.75" de ancho x 3.2" de alto |
| Clasificación de impermeabilidad | IPX7 |
| Capacidad de la batería | 4000 mAh |
| Tiempo de carga | 3 horas |
| Alcance máximo de Bluetooth | 65 pies |
| Peso del artículo | 1.37 libras |
| Tecnología de conectividad | Bluetooth |
| Modo de salida de audio | Estéreo |
| Material | Mixed Plastic/Silicone |
Vídeo oficial del producto
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.
Garantía y soporte
Outdoor Tech products are designed for durability and performance. For warranty information and customer support, please visit the official Outdoor Tech webSitio web o contacte directamente con el servicio de atención al cliente. Conserve su comprobante de compra para cualquier reclamación de garantía.
Para obtener más ayuda, también puede consultar la Outdoor Tech Store on Amazon.





