Is there an AC adapter that can charge it by simply plugging it into an outlet?

Simply plug it into an outlet or any PC USB. It will be charged. Very simple.

Does the display show song info when connected with bluetooth or just radio stations and sd card info?

It just shows radio station numbers I don't know about sd card info.

Can you use it without the battery?

No, you must have a charged/charging battery for this unit to work. I've never been able to get it to work plugged into USB, but without the battery installed.

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Avantree SP850 – Portable 3-in-1 FM Radio with Bluetooth Speaker

Product ID: 33559918

Details

Brand
Avantree
Color
Black Red
Connectivity Technology
Bluetooth
Included Components
Bluetooth USB
Power Source
Battery
Product Dimensions
5.12"L x x

📱Stable Bluetooth streaming

📻3-in-1 FM/Bluetooth/SD playback

🔋Rechargeable battery with USB charging

¥12177

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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Description

🎧 Your all-in-one pocket DJ for every vibe, anytime, anywhere!

POWER UP ON THE MOVE - Built-in rechargeable battery with USB charging keeps your music flowing whether at home or outdoors.
COMPACT POCKET READY - Sleek handheld design fits perfectly in your bag or pocket, making it your go-to companion for daily commutes or travel.
CRYSTAL CLEAR PERSONAL SOUND - Optimized for clear voice and balanced audio, perfect for focused listening anywhere you go.
INSTANT STATION ACCESS SAVING - Auto-scan and numeric keys let you find and save your favorite stations in seconds—never miss a beat.
SEAMLESS 3 IN 1 AUDIO EXPERIENCE - Switch effortlessly between FM radio, Bluetooth streaming, and SD card MP3 playback for ultimate versatility.

The Avantree SP850 is a compact, portable 3-in-1 audio device combining FM radio, Bluetooth speaker, and SD card MP3 player functionality. Featuring a rechargeable battery with USB charging, LED display, quick station access, and a headphone jack, it delivers clear, balanced sound optimized for personal listening. Its pocket-sized design and stable Bluetooth connectivity make it ideal for on-the-go music, news, and podcasts.

Specifications

ASIN	B01J3N8ICQ
Additional Features	Portable
Antenna Location	Music, News
Best Sellers Rank	#12,013 in Electronics ( See Top 100 in Electronics ) #40 in Portable Headset Radios
Brand	Avantree
Built-In Media	Bluetooth speaker, Micro USB charging cable, 3.5mm audio cable, Instruction Manual
Color	Black, Red
Compatible Devices	Speaker, Smartphone, Headphone, MP3 Player, Tablet, Laptop
Connectivity Technology	Bluetooth
Customer Reviews	4.4 4.4 out of 5 stars (12,161)
Display Technology	LED
Display Type	LED
Enclosure Material	Plastic
Frequency	87 MHz
Global Trade Identification Number	06945624902023
Hardware Interface	Bluetooth
Item Dimensions L x W x H	5.12"L x 1.26"W x 2.6"H
Item Type Name	Avantree 3-in-1 Portable FM Radio with Bluetooth Speaker and SD Card Player, Auto Scan Save, LED display, Rechargeable Battery, Transistor Battery Radio (No AM) - SP850
Item Weight	158 g
Manufacturer	Avantree
Mfr Part Number	BTSP-850-BLK
Model Number	BTSP-850-BLK
Number of Batteries	1 CR5 batteries required. (included)
Number of Items	1
Power Source	Battery Powered
Radio Bands Supported	FM
Speaker Maximum Output Power	2 watts
Style Name	Modern
Tuner Type	FM
Voltage	5 volts_of_alternating_current
Warranty Description	We offer 24 month warranty

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥12177

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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