Introduction
The JTEMAN Cell Phone Stand with Wireless Bluetooth Speaker and Light is a versatile 3-in-1 device designed to enhance your mobile experience. It functions as a stable phone and tablet stand, a powerful Bluetooth speaker for audio playback, and an atmospheric light with multiple modes. This manual provides detailed instructions for setting up, operating, and maintaining your device to ensure optimal performance.

Figure 1: The JTEMAN multi-functional device, showcasing its integrated phone stand, speaker, and ambient lighting.
What's in the Box
Please check the package contents to ensure all items are present:
- Bluetooth Speaker with Phone Stand
- Type-C Cable
- Instruction Manual
Product Features

Figure 2: Overview of the multi-functional capabilities, including phone holder, Bluetooth speaker, computer exterior speaker, and rhythm-synced light.
3-in-1 Multi-functionality
This device seamlessly integrates a cell phone stand, a wireless Bluetooth speaker, and an atmospheric light. The loud Bluetooth speaker features a built-in 4Ω5W power speaker, delivering HD stereo surround sound. The atmosphere light at the bottom can synchronize and jump with the rhythm of your music, creating an immersive audio-visual experience.
Rhythm-Synced Light Show
The Bluetooth speaker with lights offers 5 monochrome light options and 6 mixed lighting modes. Three of the mixed lighting modes are designed to dance with the beat of the music. You can also customize the light brightness with 4 available options. Enjoy a vibrant light show that complements your audio.

Figure 3: The RGB atmosphere light syncing with music, demonstrating the colorization of your audio experience.
Video 1: Demonstration of the 11 lighting modes available on the JTEMAN speaker, showcasing various colors and rhythm-synced effects.
Adjustable & Foldable Design
The phone stand holder features adjustable height and angle, allowing you to easily find a comfortable viewing position for your device. The panel, groove, and base are equipped with anti-slip silicone to securely hold your device. Its foldable design ensures portability, making it convenient for travel or daily use.

Figure 4: Visual representation of the stand's foldable nature, anti-slip silicone pads, adjustable height (6 flexible height options), and stable support.

Figure 5: The compact, foldable design of the JTEMAN device, illustrating its ease of portability for carrying in a bag.
Universal Compatibility
The cell phone stand is compatible with most 4-13 inch smartphones, tablets, e-readers, and other devices. Bluetooth 5.3 ensures easy and low-latency connection with various devices, including iPhones, Samsung, Android smartphones, computers, and most Bluetooth-enabled devices.

Figure 6: The JTEMAN stand supporting various devices, including smartphones and tablets, highlighting its broad compatibility.
Setup Guide
Charging the Device
Before first use, fully charge the device using the provided Type-C cable. Connect the Type-C cable to the charging port on the device and the other end to a USB power adapter (not included) or a computer USB port. The red power indicator light will illuminate during charging and turn green when fully charged.

Figure 7: Close-up view of the device's charging port and control buttons.
Power On/Off
To power on the speaker, long press the Power ON/OFF button for 3 seconds. The speaker will enter pairing mode, indicated by a flashing blue light. To power off, long press the same button for 3 seconds again.
Bluetooth Pairing
- Ensure the speaker is powered on and in pairing mode (flashing blue light).
- On your mobile device (smartphone, tablet, laptop), go to Bluetooth settings.
- Search for available devices and select "JTEMAN L39-1" (or similar name).
- Once connected, the blue light on the speaker will become solid, indicating a successful connection.
Adjusting the Phone Stand
The phone stand can be adjusted for both height and angle. Gently extend the stand upwards to increase height and pivot the phone holder to achieve your desired viewing angle. Ensure the device is stable before placing your phone or tablet.
Operating Instructions

Figure 8: Diagram illustrating the control buttons and charging port on the JTEMAN device.
Audio Playback Controls
- VOL- (Volume Down): Press to decrease volume.
- VOL+ (Volume Up): Press to increase volume.
- Play/Pause: Press to play or pause audio.
- Next Track: Press the 'Next' button to skip to the next song.
- Previous Track: Press the 'Previous' button to go to the previous song.
Atmosphere Light Controls
- Turn On/Off Light: Long press the Atmosphere Light button for 3 seconds.
- Switch Lighting Mode: Short press the Atmosphere Light button to cycle through the 11 lighting modes (5 monochrome, 6 mixed).
- Adjust Brightness: Short press the Settings/Brightness button to cycle through 4 brightness options (25%, 50%, 75%, 100%).

Figure 9: Visual representation of the 11 RGB color changing light modes, including single color, mixed color, and mixed color rhythm modes.

Figure 10: Illustration of the four brightness levels (25%, 50%, 75%, 100%) for the ambient light.
Hands-Free Calling
When connected via Bluetooth, you can use the integrated microphone for hands-free calls. Press the Answer/Hang up button to answer or end a call.

Figure 11: The device in use for hands-free calling and delivering HD stereo sound during media consumption.
Computer Connection
The device supports two methods for computer connection:
- Bluetooth Connection: Connect wirelessly via Bluetooth (no cable needed).
- AUX Connection: Use an AUX cable (not included) to connect the device to your computer's audio output. Double press the Play/Pause button to switch between Bluetooth and AUX modes.

Figure 12: The JTEMAN device connected to a laptop via cable, illustrating the computer connection feature.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the device. Do not use abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery. | Charge the device fully using the provided Type-C cable. |
| No sound from speaker. | Volume too low; Not connected via Bluetooth/AUX; Device in wrong mode. | Increase volume; Ensure successful Bluetooth pairing or AUX connection; Double press Play/Pause to switch modes. |
| Bluetooth connection fails. | Device too far from speaker; Speaker not in pairing mode; Interference. | Move device closer to speaker; Power off and on the speaker to re-enter pairing mode; Clear other Bluetooth devices. |
| Lights are not working. | Lights are off; Low battery. | Long press the Atmosphere Light button to turn on; Charge the device. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | L39-1 |
| Mounting Type | Tabletop Mount |
| Speaker Type | Subwoofer |
| Special Feature | LED Light |
| Recommended Uses | For Smartphones or Tablets |
| Compatible Devices | Laptop, Smartphone, Tablet |
| Controller Type | Button |
| Surround Sound Channel Configuration | 2.0 |
| Color | Black |
| Product Dimensions | 5.4"D x 3.6"W x 2.1"H |
| Item Weight | 0.43 Kilograms (15.2 ounces) |
| Is Waterproof | FALSE (Not Water Resistant) |
| Control Method | Touch |
| Wireless Communication Technology | Bluetooth |
| Speaker Size | 13 Inches |
| Power Source | Battery Powered |
| Number of Batteries | 1 Lithium Ion (included) |
| Audio Driver Type | Dynamic Driver |
| Connectivity Protocol | Bluetooth |
| Speaker Maximum Output Power | 7 Watts |
| Frequency Response | 1 KHz |
Warranty and Support
The JTEMAN Cell Phone Stand with Wireless Bluetooth Speaker and Light comes with a limited warranty. For specific warranty details, claims, or technical support, please refer to the warranty card included in your packaging or visit the official JTEMAN website. Keep your purchase receipt as proof of purchase.




