PRUNUS Portable AM FM Radio Bluetooth Speaker J-618

The PRUNUS J-618 is a compact portable AM/FM radio that doubles as a Bluetooth speaker and headphone transmitter with a long-lasting 2000mAh rechargeable battery.

Whether you want clear local radio reception, hands-free Bluetooth listening, or MP3 playback from a micro SD card, the J-618 packs multiple listening options into a pocketable device. It combines an extended antenna and DSP tuning for improved AM/FM signals, a versatile MP3 player with shuffle and repeat modes, and the convenience of connecting either wired headphones or wireless earbuds. Recharge via USB-C and use the sleep timer to automatically power down after your preferred interval.

How does the J-618 improve radio reception when I’m on the go?

The J-618 uses a long external antenna and an American DSP chip to sharpen station tuning and reduce interference. Manual presets let you store frequently listened stations so you can access them quickly without retuning.

• FM range 87–108 MHz and AM range 520–1710 KHz for broad station coverage.
• 9.8-inch antenna for stronger signal capture in fringe areas.
• DSP tuning improves clarity and reduces noise on crowded bands.
• Up to 99 manual presets to save favorite broadcasts.

Can I listen privately or use the radio as a speaker?

Yes — the J-618 operates as both a Bluetooth speaker and a Bluetooth transmitter for headphones. Pair wireless earbuds for private listening or use the internal speaker to share audio with others, and switch seamlessly between modes.

• Bluetooth earphone connection for wireless headphones and earbuds.
• Built-in speaker for room or outdoor listening.
• 3.5mm headphone jack supports wired headphones too.
• MP3 playback from micro SD card with shuffle, sequential, and repeat options.

How long does the battery last, and how is the radio charged?

The J-618 contains a 2000mAh rechargeable battery sized for extended listening sessions while remaining lightweight. Recharge quickly using the included USB-C cable and avoid frequent battery swaps during travel.

• 2000mAh lithium battery for prolonged use between charges.
• USB-C charging for faster, modern recharging convenience.
• Compact 1 x 2.6 x 5 inch footprint and 5 oz weight for pocket portability.
• Anti-mistouch button design helps prevent accidental operation while carried.

What playback features help manage music and bedtime listening?

The device offers flexible playback controls for micro SD MP3s and connected sources, plus a programmable sleep timer to shut off automatically after a chosen period. These features make it easy to create playlists, loop favorites, or fall asleep to music without draining the battery.

• MP3 player supports shuffle, sequential play, single-song repeat, and playlist looping.
• Micro SD (TF) card slot for on-device music playback without a phone.
• Sleep timer options: 90, 60, 45, 30, 15, or 10 minutes.
• Simple controls for quick switching between radio, Bluetooth, and TF playback.

Who is this for? The PRUNUS J-618 is ideal for commuters, hikers, travelers, seniors, and anyone who wants a compact, multi-function audio device. It works well as a bedside radio with sleep timer, a portable music player for outdoor walks, or a dedicated receiver for those who prefer traditional AM/FM broadcasts alongside modern Bluetooth convenience.