Introduction
This manual provides detailed instructions for the operation and maintenance of your Jazmm Portable AM FM SW Radio. Please read this manual thoroughly before using the device to ensure proper function and longevity.

Image: Front view of the Jazmm Portable AM FM SW Radio, showing the speaker grille, tuning dial, and band indicators.
Product Features
- AM/FM/SW 3-band reception.
- Built-in 600mAh rechargeable battery.
- 3W large speaker for clear audio output.
- 3.5mm earphone jack for private listening.
- Compact and portable design with wrist strap.
- Type-C charging port.
Package Contents
Verify that all items are present in the package:
- Jazmm Portable AM FM SW Radio
- Owner's Manual (this document)
- Power Cord (USB Type-C)
Setup
1. Charging the Battery
Before first use, fully charge the radio's internal 600mAh rechargeable battery. Use the provided USB Type-C power cord to connect the radio to a compatible USB power adapter (not included) or a computer's USB port.
- Locate the Type-C charging port on the side of the radio.
- Insert the Type-C connector of the power cord into the radio's charging port.
- Connect the other end of the power cord to a USB power source.
- The charging indicator light will illuminate. Charging typically takes approximately 4 hours.
- Once fully charged, the indicator light may change color or turn off (refer to specific product behavior). Disconnect the radio from the power source.

Image: Illustration showing the Jazmm radio being charged via its Type-C port, with an estimated charging time of 4 hours and usage time of 8 hours.
Operating Instructions
1. Power On/Off
Locate the power switch, usually combined with the volume knob. Rotate the volume knob clockwise to turn the radio on and increase volume. Rotate counter-clockwise until a click is heard to turn off the radio.
2. Band Selection
The radio supports AM, FM, and SW bands. Use the band selector switch, typically labeled 'FM AM SW', to choose your desired frequency band.

Image: Close-up view of the radio's controls, highlighting the volume knob, tuning knob, and the AM/FM/SW band selector switch.
3. Tuning to a Station
Extend the telescopic antenna for optimal reception, especially for FM and SW bands. Rotate the 'TUNING' knob to scan for radio stations. The frequency display will indicate the current tuning position.

Image: Diagram illustrating the radio's reception range for AM (520-1710KHz), FM (87.5-108MHz), and SW (5.9-18.0MHz) bands, with the antenna extended.
4. Volume Control
Adjust the volume by rotating the 'VOLUME' knob. Turn clockwise to increase volume and counter-clockwise to decrease it.
5. Using the Earphone Jack
For private listening, plug standard 3.5mm earphones (not included) into the earphone jack located on the side of the radio. The internal speaker will automatically mute when earphones are connected.

Image: A person wearing headphones, with the Jazmm radio shown connected via its 3.5mm earphone jack for private listening.
Maintenance
1. Cleaning
Wipe the radio's exterior with a soft, dry cloth. Do not use abrasive cleaners, solvents, or strong chemicals, as these may damage the finish or internal components.
2. Battery Care
To prolong battery life, avoid fully discharging the battery frequently. If the radio will not be used for an extended period, charge it periodically (e.g., every 3 months) to maintain battery health.
3. Storage
Store the radio in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery is discharged. | Charge the radio using the provided Type-C cable. |
| Poor reception/Static | Antenna not extended, weak signal, or interference. | Extend the telescopic antenna fully. Try repositioning the radio or moving to an open area. Retune the station. |
| No sound from speaker | Volume too low, earphones connected. | Increase the volume. Disconnect earphones if not intended for private listening. |
| Radio not charging | Cable or power source issue. | Ensure the Type-C cable is securely connected. Try a different USB power adapter or port. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | c7b94d95-2887-428a-a8a2-5d1574152593 |
| Frequency Range FM | 87-108 MHz |
| Frequency Range AM | 520-1710 KHz |
| Frequency Range SW | 5.9-18.0 MHz |
| Speaker Output | 3W |
| Battery | Built-in 600mAh Lithium Polymer (rechargeable) |
| Charging Port | USB Type-C |
| Earphone Jack | 3.5mm |
| Product Dimensions | 4.57 x 1.24 x 2.77 inches |
| Item Weight | 5.1 ounces (144g) |
Warranty and Support
The Jazmm Portable AM FM SW Radio comes with a one-year warranty from the date of purchase. This warranty covers manufacturing defects and workmanship. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
For technical support, warranty claims, or any inquiries, please contact our customer service. We offer 24-hour customer service to assist you.
Please refer to your purchase documentation for specific contact details or visit the official Jazmm website for support information.


