Woox R4252 Quick Start Manual

The Woox R4252 is a versatile audio device featuring Bluetooth connectivity, FM radio, AUX input, USB playback, and SD card support. It includes built-in speakers, LED display, remote control, and rechargeable battery. Designed for home and portable use with multiple audio sources. Below are key sections for setup, features, operation, and troubleshooting.

1. Package Contents 2. Device Overview 3. Initial Setup 4. Basic Operations 5. Bluetooth Connection 6. FM Radio Operation 7. USB/SD Card Playback 8. AUX Input 9. Charging & Battery 10. Specifications 11. Troubleshooting

Package Contents

Ensure all items are present before proceeding with setup.

Item	Quantity
Woox R4252 Main Unit	1
Remote Control	1
Power Adapter	1
AUX Cable (3.5mm)	1
User Manual	1
Warranty Card	1

Device Overview

Key components and controls of the Woox R4252.

Component	Description
Power Button	Turns device on/off
Mode Button	Cycles through Bluetooth/FM/USB/SD/AUX
Volume +/-	Adjusts audio volume
Play/Pause	Controls playback
Track Skip	Previous/Next track
USB Port	For USB flash drive playback
SD Card Slot	For SD card playback
AUX Input	3.5mm audio input jack
DC Input	For power adapter connection
LED Display	Shows mode, track info, battery status

Initial Setup

Follow these steps to get started with your Woox R4252.

Unpack all contents and inspect for damage.
Place device on stable, flat surface.
Insert batteries into remote control (if required).
Connect power adapter to DC input and plug into wall outlet.
Press Power button to turn on device.

NOTE: Fully charge before first use for optimal battery performance.

Basic Operations

Understanding the fundamental controls of your device.

Power On/Off: Press and hold Power button for 2 seconds.
Mode Selection: Press Mode button to cycle through: Bluetooth → FM → USB → SD → AUX.
Volume Control: Use Volume +/- buttons or remote control.
Playback Control: Play/Pause, Previous/Next track buttons.
Display: LED shows current mode, battery level, track number.

Tip: Remote control requires direct line of sight to device IR sensor.

Bluetooth Connection

Pairing your device with Bluetooth-enabled smartphones, tablets, or computers.

Set device to Bluetooth mode (press Mode button until "BT" appears).
Enable Bluetooth on your smartphone/tablet.
Search for available devices - select "Woox R4252" from list.
Enter pairing code "0000" if prompted.
Connection confirmed when LED displays "Connected" and audio plays through speakers.

Range: Up to 10 meters (33 feet) in open space.

FM Radio Operation

Using the built-in FM radio tuner.

Press Mode button to select FM mode.
Press and hold Play/Pause button for auto-scan of available stations.
Use Previous/Next buttons to manually tune stations.
Press Play/Pause to save current station to memory (up to 30 stations).
To recall saved stations, press Mode button twice in FM mode.

For better reception: Extend AUX cable to act as antenna.

USB/SD Card Playback

Playing audio files from USB flash drive or SD card.

Insert USB flash drive into USB port or SD card into SD slot.
Press Mode button to select USB or SD mode.
Playback starts automatically; use controls to navigate tracks.
Supported formats: MP3, WMA (check specifications for full list).
Folder navigation: Press and hold Previous/Next to skip folders.

WARNING! Do not remove USB/SD during playback to avoid data corruption.

AUX Input

Connecting external audio devices via 3.5mm cable.

Connect one end of AUX cable to Woox R4252 AUX input.
Connect other end to headphone jack of external device (phone, tablet, MP3 player).
Press Mode button to select AUX mode.
Start playback on external device; adjust volume on both devices.

Tip: For best audio quality, set external device volume to 70-80% and adjust final volume on Woox R4252.

Charging & Battery

Power management and battery information.

Battery Type: Built-in rechargeable lithium-ion
Charging Time: 4-5 hours for full charge
Playback Time: Up to 8 hours at medium volume
Charging Indicator: Red LED while charging, Green when fully charged
Battery Care: Avoid complete discharge; charge when battery indicator shows low

CAUTION! Use only provided power adapter. Do not expose to extreme temperatures.

Specifications

Bluetooth Version: 5.0
Bluetooth Range: Up to 10 meters
FM Frequency Range: 87.5-108 MHz
Supported Audio Formats: MP3, WMA
Output Power: 10W RMS
Speaker Drivers: 2 x full-range
Input Voltage: DC 5V/2A
Battery Capacity: 2000mAh
Dimensions: 250 x 150 x 100 mm
Weight: 1.2 kg

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Battery depleted/Adapter issue	Connect to power adapter; check outlet; charge for 30 minutes before use.
Bluetooth not connecting	Pairing mode/Device range	Ensure Woox in BT mode; delete old pairing on phone; move devices closer.
No sound from USB/SD	File format/Connection	Check file format compatibility; reinsert USB/SD; try different files.
Poor FM reception	Location/Antenna	Move to open area; extend AUX cable as antenna; auto-scan stations.
Remote not working	Batteries/Obstruction	Replace batteries; ensure direct line of sight to IR sensor; clean sensor.
Short battery life	Battery age/Volume level	Reduce volume; fully charge then discharge completely once; contact support if persistent.

Reset: Hold Power + Mode buttons for 10 seconds to factory reset.

Support: For assistance, visit www.wooxaudio.com or contact +1-800-555-0199