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header-product Mono Portable Speaker Denver BTL-350 Black
22.49 €

Mono Portable Speaker Denver BTL-350 Black

Fast shipping
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Mono Portable Speaker Denver BTL-350 Black

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Mono Portable Speaker Denver BTL-350 Black

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Short description

The Denver BTL-350 is a compact mono portable speaker with a sleek black design. It features a 5 W RMS rated power and a 4 cm driver for quality sound. With wireless connectivity via Bluetooth, it has a range of up to 10 meters and supports MP3 audio formats. The speaker is compatible with MicroSD cards, making it versatile for various audio needs.
Available for order: 9 pcs.
Warranty: 2 Years
SKU: 4355322
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
Wednesday {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
06.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.10 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
06.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
payment
Payment Methods:
Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay
Together cheaper
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Product information

Description

The Denver BTL-350 Black is a compact mono portable speaker designed for simple, on-the-go audio playback. It delivers 5 W RMS of rated power through a single 4 cm driver, providing clear sound for personal listening in small spaces. Wireless Bluetooth connectivity allows pairing with phones, tablets and other devices at ranges up to 10 metres, and the speaker also supports MP3 files from MicroSD cards for offline playback. The speaker's black finish and lightweight 0.61 kg construction make it easy to carry and integrate into a variety of environments.

Advantages

The speaker combines Bluetooth wireless streaming with direct MicroSD playback for flexible audio sources. Its 5 W RMS output and 4 cm driver provide balanced mono sound suitable for spoken word, podcasts and background music. With a range of up to 10 metres and compact dimensions, the device is convenient for travel and casual use. The single-unit design and 0.61 kg weight support easy transport and quick setup.

Suitable for

  • Listening to music and podcasts at home or in small rooms
  • Portable audio for travel or outdoor small gatherings
  • Playback from mobile devices via Bluetooth within a 10 m range
  • Offline playback from MicroSD cards containing MP3 files

Key specifications

  • Rated power: 5 W RMS
  • Driver size: 4 cm
  • Audio channels: mono (single speaker)
  • Wireless connectivity: Bluetooth, range up to 10 metres
  • Supported audio format: MP3
  • Media support: MicroSD card playback
  • Weight: 0.61 kg
  • Colour: Black

How to use

Charge the speaker according to the included instructions before first use. To play audio via Bluetooth, enable Bluetooth on your source device, scan for available devices and select the Denver BTL-350 to pair. For MicroSD playback, insert a card with MP3 files into the card slot and use the speaker controls to start playback. Adjust volume on the speaker or from the connected device. Keep the distance between the speaker and the source device within the specified 10 metre range for stable wireless performance.

Usage recommendations

For optimal performance place the speaker on a stable surface away from large obstructions and other wireless devices that may cause interference. Use MP3 files encoded at common bitrates for reliable playback from MicroSD cards, and maintain a Bluetooth connection within the recommended 10 m range for uninterrupted streaming.

Specifications

Weight:
0.61 kg
Number of speakers:
1
Product colour:
Black
All features

Performance

Compatible memory cards:
MicroSD (TransFlash)
Built-in microphone:
Yes
FM radio:
No
Audio formats supported:
MP3
Hands-free mode:
Yes
Card reader integrated:
Yes
Recommended usage:
Universal
Amplifier:
Built-in

Loudspeakers

Audio output channels:
1.0
Driver diameter:
40 mm
Number of speakers:
1

Ports & interfaces

Connectivity technology:
Wireless
USB connector type:
USB Type-A
AUX in:
No
Bluetooth range:
10 m
USB charging port:
Yes

Features

Bluetooth version:
5.0
Wi-Fi:
No
Housing material:
Acrylonitrile butadiene styrene (ABS)
Frequency range:
2402 - 2480

Design

Product colour:
Black
Volume control:
Buttons
Product design:
Rectangle
Illumination colour:
Multi
Illumination LED:
Yes
Product type:
Mono portable speaker

Battery

Battery technology:
Lithium
Battery capacity:
2400 mAh
Battery voltage:
3.7 V

Power

Battery type:
Built-in battery
Battery life (max):
5 h
DC input voltage:
5

Packaging data

Package depth:
70 mm
Package height:
150 mm
Package width:
150 mm
Package type:
Gift box

Audio

RMS rated power:
5 W

Technical details

Bluetooth:
Yes
USB 2.0 ports quantity:
1
USB connectivity:
Yes
3.5 mm connector:
No

Weight & dimensions

Weight:
0.61 kg
Height:
128 mm
Width:
128 mm
Depth:
60 mm

Logistics data

Quantity per pack:
1 pc(s)

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Customer reviews

Customer questions

FAQ

How much does the Mono Portable Speaker Denver BTL-350 111151010740 cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Wednesday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All DENVER products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized DENVER service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, number of speakers, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Mono Portable Speaker Denver BTL-350 111151010740?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.