1. Introduction
The TELESIN Diving Phone Remote Waterproof Case is a universal accessory designed for capturing stunning photos and videos underwater with your smartphone. Featuring IP68 waterproof protection up to 20 meters (65 feet) and convenient Bluetooth remote control, this case allows for seamless operation of your phone's camera functions while diving, snorkeling, or engaging in other water sports. Its robust design and advanced features ensure clear, fog-free images and reliable performance in aquatic environments.
2. Product Overview
2.1. Package Contents
- Diving Handle × 1
- Vacuum Pump × 1
- USB Charging Cable × 1
- Safety Hand Rope × 1
- Lens Cloth × 1
- User Manual × 1

Figure 2.1: Package Contents
2.2. Component Identification
Familiarize yourself with the key components and controls of the diving case:

Figure 2.2: Case Components (Front)

Figure 2.3: Control Buttons

Figure 2.4: Case Components (Side)
- Sealing Buckles: Securely close the case to ensure watertight integrity.
- Vacuum Valve: Used with the vacuum pump to remove air and prevent fogging.
- Mode Button 1 (M): Switches between shooting modes. Long press (2s) to quick-launch camera from sleep mode.
- Mode Button 2 (M): Switches between shooting modes.
- Capture Button (Orange): Starts/stops recording or takes a photo.
- Zoom Out Button (W): Adjusts zoom to wide-angle.
- Zoom In Button (T): Adjusts zoom to telephoto.
- 1/4" Inch Thread Hole: For mounting on tripods or other accessories.
- Pogo Pin Charging Port: For charging the diving handle's internal battery.
3. Specifications
| Attribute | Specification |
|---|---|
| Main Material | ABS/PC/Aluminum alloy |
| Product Dimensions | 20.37 x 10.92 x 5.2 cm (8.01 x 4.29 x 2.04 inches) |
| Product Weight | 397g (14 oz) |
| Waterproof Level | IP68 (Underwater ≤ 20m / 65ft) |
| Charging Method | Pogo Pin |
| Battery Specification | 80mAh 3.7V |
| Charging Time | 2 hours |
| Model Adaptation | Straight screen mobile phones within 7 inches / 17.78 cm (clamping range 50-80 cm / 19.6-31.4 inches) |
| Bluetooth Adaptation | iOS/Android |
| Expansion Interface | Universal 1/4 threaded hole × 2 |
| Lens Light Transmittance | 97% |
| Ultra-clear Viewport Size | 4.4 inches |

Figure 3.1: Detailed Specifications
4. Pre-Use Safety Test
4.1. Watertight Safety Test
Before using the case with your phone, it is crucial to perform a watertight safety test to ensure its integrity. Follow these steps:
- Place a tissue inside the case.
- Seal both the case and the vacuum cover securely.
- Fully submerge the case in water for 30 minutes or more.
- Do not open the case immediately after retrieval.
- Check if the tissue inside remains completely dry.
- If dry: The waterproof seal is verified.
- If wet: Do NOT use the case with your phone. Contact official support for assistance.
Video 4.1: Watertight Safety Test Demonstration. This video demonstrates the steps for performing a watertight safety test on the TELESIN Diving Phone Remote Waterproof Case, including placing a tissue inside, sealing the case, submerging it in water, and checking for dryness after 30 minutes.
5. Setup and Installation
5.1. Phone Compatibility
The TELESIN Diving Phone Remote Waterproof Case is compatible with 99.99% of phone models, specifically designed for mobile phones with screen sizes between 5.4 and 6.9 inches (13.7-17.5 cm). This includes iPhone 12-16 series, Samsung S20-S25 series, and most other smartphones within the specified size range.
Important: This device supports bare-metal installation. It is highly recommended to remove your phone's existing case before installing it into the diving case to ensure a proper fit and optimal shooting results.

Figure 5.1: Phone Compatibility
5.2. iOS Initial Setup (One-Time Only)
For iOS devices, a one-time setup is required to enable full functionality:
- Go to Settings.
- Navigate to Accessibility.
- Select Zoom.
- Choose Zoom Region and set it to Full Screen.
- Enable Zoom.
Note: When Zoom is enabled, the screen magnifies. You can triple-tap with two fingers to reset the zoom level. Other settings should remain unchanged. This step is not required for Android devices, as full features unlock via Bluetooth directly.
Video 5.2: iOS Initial Setup. This video guides users through the one-time iOS setup process in Accessibility settings to enable Zoom for proper case functionality.
5.3. Phone Settings
Before placing your phone in the case for underwater use, enable
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