Remax RB-M52 Alarm Speaker
User Manual
Product Overview
The Remax RB-M52 is an alarm speaker with various functionalities including Bluetooth connectivity, TF card playback, AUX input, and an alarm clock feature. It is designed for portable use and features an LED display.
Key Specifications:
- Product Model: RB-M52
- Wireless Version: V5.0
- Transmission Distance: ≤10 meters
- Frequency Response: 100Hz-20KHz
- Impedance: 4Ω
- Rated Power: 3W
- Drive Units: ⌀52
- Battery Capacity: 1200mAh
- Input: DC 5V 500mA
- Play Time: 4-6 hours
- Standby Time: 48 hours
- Charging Time: 2.5 hours
- Net Weight: 278g
- Product Size: 120*97*65mm
- Available Colors: Black, White, Green, Red, Pink
Buttons and Ports
The device features the following buttons and ports:
- Power On/Off: Slide switch for turning the device on and off.
- Pause/Play/Call Button (M): Short press to pause/play music, double click to redial last number, short press to answer/hang up calls, long press to refuse calls.
- Volume Up/Next Track Button (/V+): Long press to increase volume, short press to switch to the next track.
- Mode Button (M): Short press to switch between modes (TF Card, AUX, Wireless).
- Clock Button: Short press to enter clock mode, long press to set time.
- Alarm Button: Short press to enter alarm mode, long press to set alarm time, ringtone, and on/off status.
- Light Button: Press to turn the LED screen on/off.
- Volume Down/Previous Track Button (/V-): Long press to decrease volume, short press to switch to the previous track.
- USB Port: For charging the device.
- TF Slot: For inserting a TF card with music.
- 3.5mm Audio Input Jack (Line in): For wired audio connection.
Operation Instructions
Powering On/Off
Power On: Slide the bottom ON/OFF switch to the 'ON' position. The device turns on, and 'H1' is displayed on the screen.
Power Off: Slide the bottom ON/OFF switch to the 'OFF' position. The LED screen turns off.
Wireless Mode (Bluetooth)
When the 'BT light' on the LED screen flashes, the device is in searching and pairing mode. Turn on the Bluetooth function on your digital product, search for 'RB-M52', and connect. A prompt sound will be heard upon successful connection, and the 'BT light' will stay on. The device will automatically reconnect to previously paired devices upon startup.
TF Card Mode
Insert a TF card containing music. The speaker will automatically switch to TF card mode, and the LED screen's TF indicator will stay on.
AUX Mode
Insert the provided line-in cable. The speaker will automatically switch to AUX mode, and the LED screen's AUX indicator will stay on.
Mode Switching
When both a TF card and a line-in cable are inserted, short press the 'M' button to cycle through modes: TF Card Mode → AUX Mode → Wireless Mode → TF Card Mode.
Volume and Track Control
Volume: Long press the '/V-' or '/V+' buttons to decrease or increase the volume.
Track Selection: Short press the '/V-' or '/V+' buttons to switch to the previous or next track, respectively.
Music Playback and Mute
Short press the 'M' button to pause or play music. Short press the 'M' button to mute the audio.
Phone Call Functions
When connected to a phone via Bluetooth:
- Double-click the 'M' button to call the last dialed number.
- Short press the 'M' button to answer an incoming call.
- Short press the 'M' button again to hang up the current call.
- Long press the 'M' button to refuse an incoming call.
Clock Mode
- Short press the Clock button to enter clock mode.
- Long press the Clock button to set the time. Short press the Clock button to switch between setting hours and minutes. Use the '/V-' or '/V+' buttons (long or short press) to adjust the numbers.
- Long press the Clock button again to confirm and exit, or the setting will automatically exit after 30 seconds of inactivity.
Alarm Clock Mode
- Short press the Alarm button to enter alarm clock mode. The current alarm time will be displayed.
- Long press the Alarm button to set the alarm time. Short press the Alarm button to cycle through setting hours, minutes, ringtone, and alarm on/off. Use the '/V-' or '/V+' buttons (long or short press) to adjust the values.
- Set the alarm to 'ON' to enable it or 'OFF' to disable it. The alarm clock symbol will appear on the LED screen when the alarm is active.
- Long press the Alarm button again to save settings and exit. The settings will also auto-exit after 30 seconds of inactivity.
- When the alarm rings, press any button except the Light button to turn it off.
- Snooze Function: When the alarm rings, press the top Light button to silence it temporarily. The 'sleeping light' will turn on, and the alarm will ring again after 5 minutes. This snooze function will repeat up to three times before the alarm turns off.
Light Button Function
Press the Light button to turn the LED screen on or off.
Power Saving Mode
In any mode, if there is no user interaction for over 10 minutes, the LED screen will turn off to save power. Press any button to wake the screen. Power saving mode is deactivated when the speaker is charging.
Charging/Low Power Mode
When the speaker's battery is low, the charging indicator light on the LED screen will blink, and an alarm sound will be heard. Connect the charging cable to recharge. The charging indicator light will remain solid while charging and turn off when fully charged.
FCC Warning
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.
Note 1: 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.
Note 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
Warranty Information
This product is covered under warranty for a period of twelve months from the date of sale, limited to normal use and maintenance of the machine parts, materials, and functions. Problems and failures verified upon further identification will be provided free repair.
This warranty does not apply:
- To a product that is out of warranty.
- To damage caused by operating the product outside the permitted or intended uses described by Remax.
- To a product that has been disassembled, repaired, or refitted without the authorization of Remax.
- If the warranty card and proof of purchase cannot be presented.
- To damage caused by external causes and natural disasters, including earthquake, fire, etc.
Note: The warranty does not include product transport costs and does not provide on-site maintenance services.
Warranty Feedback Form:
Please tick the relevant box:
- A. No sound
- B. Sound quality deteriorate
- C. Button mal-function
- D. Unable to pair other device
- E. Cannot recharge
- F. Others
User Purchase Date:
Purchasing Dealer:
Date of Problem Occurrence:
User Contact Information:
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