Celcube Bluetooth Speaker User Manual

Product Appearance

Description of the speaker's visual design, including a display showing "12:03". Ports for USB and DC 5V are visible.

Product Features

• Supports wireless Bluetooth connectivity.
• Touch-sensitive display to show the time at any moment.
• Integrated hands-free function with a clear, echo-free microphone.
• Plays MP3 music from U-disk or TF card.
• Built-in high-quality lithium battery, rechargeable via Micro USB port.
• Supports customized alarm bell settings.
• Delivers stereo and Hi-Fi sound quality.
• Modern and sleek design.
• Features special music-synchronized LED lighting.
• Offers seven optional lamplight modes with different colors for an enhanced audio-visual experience.

Device Power Supply

• Powered by USB 5V.
• Includes a built-in Lithium Rechargeable Battery.

Lithium Rechargeable Battery Note

Charging: The battery can be charged using a mobile phone adapter or a computer USB port. Full charging takes approximately 8-10 hours.

Maintenance: To ensure the Lithium Rechargeable Battery functions properly after long periods of disuse, charge it completely every two to three months, or remove it from the device.

Operation Instruction

Button Functions:

• ▶️ / ⏸️ (Play/Pause/Call Key): In Bluetooth mode, short press to answer or hang up calls. Short press to play or pause music in Bluetooth and MP3 modes. Short press to mute in Line-in mode. Long press to turn off the device; short press to turn on in all modes.
• ? (MODE Key): Short press to cycle through modes: TIME -> DATE -> ALARM -> BLUETOOTH -> Mp3 Mode -> Line-in.
• ⏮️ (Previous/Fast Backward Key): In music and Bluetooth mode, short press to select the previous song. In MP3 mode, long press to fast backward. In clock mode, short press to choose between 12/24 hour format.
• ⏭️ (Next/Fast Forward Key): In music and Bluetooth mode, short press to select the next song. In MP3 mode, long press to fast forward. In clock mode, short press to choose between 12/24 hour format.
• ? (Vol- Key): Decrease volume in Bluetooth, MP3, or Line-in mode.
• ? (Vol+ Key): Increase volume in Bluetooth, MP3, or Line-in mode.
• [speaker grille]: Turn on the device. Continuously touch the speaker grille to cycle through seven lamplight modes: Low brightness, high brightness, breathing light, transform light, music light, or turn off. Touch the speaker grille to display the time. When an alarm is active, clap once to enter sleep mode, and clap twice to stop the alarm function.
• [power button]: Switch to power on or off.

Light Function Instruction

Seven light modes and 48 different colors are available, selectable by clapping the speaker grille.

1. Low brightness: 30% brightness for a gentle lamplight.
2. Middle brightness: 60% brightness for a soft lamplight.
3. High brightness: 100% brightness for maximum illumination.
4. Breathing light: The light transitions smoothly from low to high brightness and back, changing colors simultaneously.
5. Cycle light: Automatically cycles through 48 colors for an enhanced visual experience.
6. Music light: The light color changes in sync with the volume and rhythm of the music (blinks every 2.5 seconds when not playing music).
7. Customized light color: Continuously touch the speaker grille; the lamplight will change automatically. Stop touching when your desired color is displayed. (Note: Each of the 48 colors corresponds to a code shown on the LED display for easy reference.)

Time Instruction

1. Time Mode: Upon powering on, the device enters Time Mode, displaying the current time. Short press ⏮️ or ⏭️ to adjust the 12/24 hour format. Long press the ? (MODE) key to set the date and time. The "Year" will blink first; use ⏮️ and ⏭️ to adjust. Then, set the month, date, hour, and minute similarly.
2. Date Mode: Short press the ? (MODE) key from Time Mode to enter Date Mode. The LED display will show the date. Short press ⏮️ and ⏭️ to check the year, month, and date.
3. Alarm Mode: Long press the ? (MODE) key to set the alarm, following the same procedure as setting the time. Short press the ? (MODE) key to toggle the alarm ON/OFF status using ⏮️ or ⏭️. Short press ? (MODE) again to confirm. (Custom alarm bell: Create a file named "Alarm" and place one music file inside. Only the first song in the file will be used as the alarm sound. Ensure the U-disk or TF card containing the alarm song file is connected to the speaker.)
4. Sleep Mode: The display shows "[Sleep Off Indicator]". Short press the ▶️ / ⏸️ key to set the automatic turn-off timer. Options include 15, 30, 60, or 120 minutes. This setting is for a single use; it needs to be re-set after the device is turned on again.

Functions

1. Bluetooth Mode: Short press the ? (MODE) key to enter Bluetooth mode. The display will show "[Bluetooth Indicator]" and an audio prompt will be heard. Turn on Bluetooth on your digital device (mobile phone, MID, computer, etc.) and connect to the device named "DY28 Plus". An audio confirmation will indicate a successful connection. Short press ⏮️ / ⏭️ to select the previous/next song. Short press ? / ? to adjust volume. Short press ▶️ / ⏸️ to play/pause. Short press ▶️ / ⏸️ to answer/hang up calls.
2. MP3 Mode: This mode is activated when a TF card or U-disk is inserted. Short press ⏮️ / ⏭️ to select the previous/next song. Long press ⏮️ / ⏭️ for fast backward/forward. Short press ? / ? to increase/decrease volume. Short press ▶️ / ⏸️ to pause/play music.
3. LINE-IN Mode: This mode is activated when a digital device is connected via a line-in cable. Press ? / ? to adjust volume. Short press ▶️ / ⏸️ to mute.

FAQ

No Power

Check if the Lithium Rechargeable Battery has power. Ensure the DC5V plug is properly connected.

No Sound or Sound Distortion

Verify that the volume level is not set to zero. Check if the music file is damaged; damaged files can cause distortion and prevent playback. Use good quality music files.

Device Hangs Up

Ensure the Lithium Rechargeable Battery has sufficient power. Try switching the power OFF and then ON again, or switch ON after charging.

Specifications

Product appearance, functions, and specifications are subject to change without prior notice.