1. Introduction
The Samvix Double Sound 16GB Kosher MP3 Player is designed for a distraction-free audio experience. It features dual 3.5mm AUX outputs for shared listening, 16GB of internal storage expandable via SD card, Bluetooth connectivity for wireless audio, and a touchscreen interface for easy navigation. This device is specifically designed without Wi-Fi, radio, or video features to ensure a focused and approved listening environment.
2. What's in the Box
- Samvix Double Sound 16GB MP3 Player (Black)
- USB-A to USB-C Charging Cable
- User Manual
3. Product Overview
Familiarize yourself with the physical components and controls of your Samvix Double Sound MP3 Player.

Image 1: The Samvix Double Sound MP3 Player, highlighting its compact design and the two 3.5mm AUX outputs located on the bottom edge, allowing for simultaneous connection of two headphones or speakers.

Image 2: The retail packaging for the Samvix Double Sound MP3 Player, illustrating the device and its key features such as dual AUX ports, touchscreen, built-in speaker, and 16GB internal memory.
Controls and Ports:
- Power Button: Located on the top edge, used to turn the device on/off and lock/unlock the screen.
- Volume Buttons: Typically found on the side, for adjusting audio output level.
- Navigation Buttons: Front-facing buttons for menu navigation, play/pause, and track skipping.
- Touchscreen: For intuitive menu selection and control.
- Dual 3.5mm AUX Outputs: Located on the bottom, for connecting headphones or external speakers.
- USB-C Port: For charging and data transfer.
- Micro SD Card Slot: For expanding storage capacity.
- Built-in Speaker: For audio playback without headphones.
4. Setup
4.1. Charging the Device
- Connect the provided USB-C cable to the player's USB-C port.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The battery indicator on the screen will show charging status. A full charge typically takes up to 2 hours.
4.2. Inserting an SD Card (Optional)
- Locate the Micro SD card slot on the side of the player.
- Gently insert a compatible Micro SD card (up to 256GB supported) into the slot until it clicks into place.
- To remove, push the card inward until it springs out.
5. Operating Instructions
5.1. Power On/Off and Screen Lock
- To Power On: Press and hold the Power button on the top edge for a few seconds.
- To Power Off: Press and hold the Power button until the power-off option appears, then confirm.
- To Lock/Unlock Screen: Briefly press the Power button. A lock icon will appear/disappear.
5.2. Navigation
- Use the touchscreen to tap on icons and navigate through menus.
- Use the physical navigation buttons (up, down, left, right, enter) for alternative control.
- The 'Back' button typically returns to the previous screen.
5.3. Audio Playback
- From the main menu, select 'Music' or 'Audiobooks'.
- Browse by song, artist, album, genre, or playlist.
- Tap or press the 'Play/Pause' button to start or stop playback.
- Use the 'Next/Previous' buttons to skip tracks.
- Adjust volume using the dedicated volume buttons on the side.
6. Media Management
6.1. Transferring Files
- Connect the MP3 player to your computer using the USB-C cable.
- The player will appear as a removable disk drive on your computer.
- Drag and drop your desired audio files (MP3, etc.) or audiobook folders directly into the player's internal storage or the inserted SD card.
- Safely eject the device from your computer before disconnecting the cable.
7. Bluetooth Connectivity
Connect your Samvix Double Sound MP3 Player to Bluetooth headphones or speakers.
- From the main menu, select 'Bluetooth'.
- Ensure Bluetooth is turned 'On'.
- Put your Bluetooth headphones or speaker into pairing mode.
- The player will scan for available devices. Select your device from the list to pair.
- Once paired, audio will stream wirelessly to your connected device.
8. Voice Recording
The player includes a voice recording function for capturing audio notes.
- From the main menu, select 'Record'.
- Choose 'Start Voice Recording' to begin.
- Press the 'Play/Pause' button to stop recording.
- Recordings are saved and can be accessed via the 'Recordings Library'.
9. E-Book Functionality
The player supports e-book functionality, primarily for text-based content such as audiobooks.
- Transfer compatible e-book files (e.g., TXT format) to the player's storage.
- From the main menu, select 'E-Book'.
- Browse and select your desired e-book to open and read.
- Use the navigation buttons or touchscreen to scroll through pages.
10. Specifications
| Brand | SAMVIX |
| Model Name | Mp3 Player |
| Item Model Number | DOUBLESND16GBLK |
| Memory Storage Capacity | 16 GB (Expandable up to 256GB via SD Card) |
| Connectivity Technology | Bluetooth |
| Special Feature | Touch Screen, Dual 3.5mm AUX Outputs, Built-in Speaker, Voice Recording, Kosher-Safe Design (No Wi-Fi, Radio, or Video) |
| Screen Size | 2.4 Inches |
| Color | Black |
| Item Weight | 9.1 ounces |
| Product Dimensions | 1 x 9.1 x 9.1 inches |
| Battery Life | Up to 36 hours of audio playback |
11. Troubleshooting
- Device not turning on: Ensure the battery is charged. Connect to a power source and try again.
- No sound: Check volume levels. Ensure headphones/speakers are properly connected or Bluetooth is paired correctly.
- Files not appearing: Ensure files are in a compatible format (e.g., MP3). Disconnect and reconnect the player to your computer, or reinsert the SD card.
- Device unresponsive: Try a soft reset by pressing and holding the power button for an extended period (e.g., 10-15 seconds) until the device restarts.
12. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official SAMVIX website. Keep your proof of purchase for warranty claims.