WR-618 Bluetooth Speaker Manual
Package Contents
- WR-618 Bluetooth Speaker ×1
- User Manual ×1
- USB-C Charging Cable ×1
- AUX Audio Cable ×1
Function Overview
① V+: Short press to increase volume / Long press for next track
② V-: Short press to decrease volume / Long press for previous track
③ PLAY: Short press to play/pause / Long press to switch modes /
④ LED: Short press to switch light effects / In Bluetooth mode, long press to turn TWS on/off
⑤ AUX Input Port
⑥ TF Card Slot
⑦ TYPE-C Charging Port
⑧ Power Switch
Product Overview
This product features a stylish, minimalist design suitable for both indoor and outdoor use.
It supports Bluetooth playback, TF card playback, AUX audio input, TWS connection in Bluetooth mode.
Technical Specifications
- Bluetooth Version: 5.3 (Shan Jing)
- Bluetooth Name: WR618
- Input Voltage: DC 5V 2A
- Rated Power for Speaker: 30W
- Speaker: 1×
- SNR: ≥ 90dB
- Audio Input: Phone, MP3, MP4, PC, Laptop
- Battery: 7.4V / 2000mAh ( battery)
- Product Size: D170 × W122 × H85 mm
Functions & Instructions
Bluetooth Mode
Switch on the device. You will hear a prompt: “Bluetooth mode.” Enable Bluetooth on your phone and search for devices. Select WR-618 to pair. A voice prompt will confirm successful connection. You can now play music and control volume, play, or pause from your phone.
AUX Audio Playback
Turn on the speaker. Use the included 3.5mm AUX cable: insert one end into the speaker’s AUX port, and the other into your audio source.
TF Card Playback
Insert a TF card containing audio files (MP3, APE, FLAC, WAV, WMA formats) into the TF card slot to start playback.
Lighting Effects / TWS
- Short press the LED/TWS button to cycle through light effects.
- Double short press to turn off lights.
- Long press again to turn lights on (not standard on all models).
- In Bluetooth mode, long press to enable/disable TWS (True Wireless Stereo) mode.
TWS Connection
Turn on the first speaker and start playback. Turn on the second speaker. Long press the TWS button on the first speaker for 3 seconds (or press both TWS buttons simultaneously on each speaker) to pair them for synchronized playback.
Battery Warning
Do not expose the battery pack or unit to sunlight, fire, or other high-temperature environments.
Charging & Battery Life
- At full charge, the speaker can play for approximately 6–10 hours at 50% volume (depends on music type and volume).
- Heavy bass or DJ music may shorten battery life—this is normal.
- Low battery voice prompt: “Low battery. Please charge.”
- Shutdown warning: “Power off.”
- The unit does not include a charger. Use a 5V/2A charger.
- While charging: red light = charging, green light or light off = full.
- Charging time: approx. 3 hours (may vary with charger/cable).
- Can be used while charging, but prolonged use may affect battery lifespan.
Troubleshooting
- Auto Power Off: Low battery protection. Charge for 3 hours before reuse.
- Music Not Playing: Make sure audio files are in the root directory of the TF card or USB device and not mixed with other files.
- No Sound via AUX: Check your computer’s audio output settings or try restarting after reconnecting the AUX cable.
- Buttons Unresponsive / Malfunctioning: Turn off the speaker and try again.
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FCC Caution： 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.
Note: 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.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
Documents / Resources
 | E Tech WR-618 Bluetooth Speaker [pdf] User Manual 2AW2NWR-618, 2AW2NWR618, wr 618, WR-618 Bluetooth Speaker, WR-618, Bluetooth Speaker, Speaker |