TG648 Bluetooth Speaker
User Manual
Product Specifications
- Bluetooth: V5.3
- Supported Protocols: L2CAP/A2DP (AVCTP/AVDTP/AVRCP), HSP/HFP (Handsfree profile)
- Wireless Transmission Range: >10M
- Signal-to-Noise Ratio (SNR): ≥85dB
- Battery Capacity: 3.7V 500mAh
- Playback Time (Normal Volume): 1.5H
- Speaker Driver: Ø52 mm plus
- Speaker Power: 4Ω/5W
- Frequency Response: 120 Hz - 18KHz
- Unit Dimensions: L113.7*W149.7*H57mm
- Unit Weight: 225g
- Charging Input: 5V/500mA
Product Features
- Advanced Audio Design: Features a dual-power system with built-in low-frequency amplifiers for enhanced bass and superior sound quality.
- Broad Compatibility: Utilizes advanced Bluetooth audio decoding chips for seamless pairing with smartphones, tablets, TVs, and other Bluetooth-enabled devices. Supports a wireless range of up to 10 meters.
- Hands-Free Calling: Integrated microphone allows for clear, hands-free phone calls.
- MP3 Playback: Supports direct playback of MP3 and WAV audio files from TF cards and USB drives.
- FM Radio: Built-in FM radio module with automatic station scanning and saving functionality.
- LED Torchlight: Includes an LED torchlight for illumination.
- TWS Functionality: Supports True Wireless Stereo (TWS) pairing for an enhanced audio experience.
Key & Slot Functions
- 1. DC 5V Charging Slot:
- Use the standard mini USB TYPE-C charging cable for power.
- 2. USB Slot:
- Decodes and plays MP3 audio files when a USB drive is inserted.
- 3. TF Slot:
- Decodes and plays MP3 audio files when a TF card is inserted.
- 4. LED Torchlight Switch:
- Long press to turn the LED torchlight on or off.
- 5. Playback Controls & TWS Pairing:
- Music Playback (USB/TF/BT): Short press for Play/Pause.
- Incoming Call (BT Mode): Short press to answer or end a call.
- FM Mode: Short press to automatically scan for stations; press again to stop scanning.
- TWS Pairing: With two TWS-enabled speakers in BT mode (unpaired), long press the Play/Pause button on one speaker for 4 seconds until a prompt is heard and its indicator light becomes solid. The speakers are now in TWS mode and can be paired with your mobile device.
- 6. Power Switch:
- Long press to turn the speaker on or off.
- Mode Switching (Music Playback): Short press to cycle through USB/TF/FM/BT modes.
- 7. Next Track / Volume Up:
- Music/FM: Short press for the next song or next FM station.
- Music: Long press to increase volume.
- 8. Previous Track / Volume Down:
- Music/FM: Short press for the previous song or previous FM station.
- Music: Long press to decrease volume.
Warning Statement
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.