Specifications
| Feature | Specification |
| Brand | GREATNICE |
| Model | GTS-1550 |
| Speaker Unit Size | 4 Inch x 2 (Dual Woofers) |
| Output Power | 5W |
| Frequency Response | 100Hz – 20KHz |
| Connectivity | Bluetooth, USB, TF Card, TWS, FM Radio |
| Supported File Formats | MP3 (FAT32 format up to 32GB) |
| Lighting Effects | Single-Color LED Flashing Light |
| Battery Capacity | 800mAh Rechargeable Lithium Battery |
| Charging Voltage | DC 5V (Micro-USB) |
| Cabinet Material | PP Plastic Body + Heavy-Duty Metal Grill |
| Dimensions | 13.2 cm x 13.2 cm x 29.8 cm |
| Color | Black |
Detailed Description
Overview
The GREATNICE GTS-1550 is built to deliver impressive sound with rich bass performance in a sleek, portable design. Whether hosting a house party, chilling outdoors, or listening to your favorite radio station, this speaker ensures clear sound with vibrant visual effects to match the mood.
Equipped with dual 4-inch loud speakers and single-color LED flashing lights, it offers multiple playback modes—including wireless Bluetooth streaming, USB flash drive, TF card support (up to 32GB), and built-in FM Radio. Plus, with TWS (True Wireless Stereo) function, you can link two GTS-1550 speakers together for a true stereo sound experience!
Key Features
- Dual 4-Inch Drivers: Delivers powerful output with enhanced deep bass and crisp audio clarity.
- Multi-Mode Playback: Effortlessly switch between Bluetooth, USB, MicroSD/TF Card, and FM Radio modes.
- TWS Connection: Pair two GTS-1550 speakers wirelessly to enjoy immersive 360° stereo sound.
- Dynamic LED Lighting: Built-in flashing LED light effect brings party vibes to any space.
- Plugin & Play Storage: Supports FAT32 formatted USB drives and TF cards up to 32GB.
- Rechargeable Battery: 800mAh lithium battery provides reliable playback time on the go.
Control Panel & Ports Guide
- OFF / ON Switch: Power the speaker on or off.
- DC 5V Micro USB Port: Charge the device using the included micro-USB cable with standard 5V adapters.
- USB Slot: Plug and play your MP3 audio files directly from a USB drive (up to 32GB, FAT32).
- TF Slot: Insert your MicroSD/TF card to play saved tracks.
- Mode Button (M): Press to toggle through Bluetooth, USB, TF Card, and FM Radio modes.
- Play/Pause Button: Press once to play or pause tracks; long-press in FM mode for auto station search.
- Prev/Next Buttons: Short press to change track/FM channel; long press to adjust volume levels.
What’s Included in the Box?
- 1x GREATNICE GTS-1550 Bluetooth Speaker
- 1x Micro USB Charging Cable
