Compact wireless Bluetooth speaker with subwoofer function and microSD card reader in 90x73x73mm size

This wireless Bluetooth speaker combines audio amplification with portability in a compact unit measuring just 90mm by 73mm by 73mm. Featuring a built-in lithium battery charged via USB connection, it operates without mains power cords, making it suitable for both indoor use and portable outdoor applications. The integrated subwoofer functionality enhances audio performance with improved bass response, while the included card reader allows direct playback from microSD cards alongside Bluetooth streaming capabilities from compatible smartphones, tablets, and computers. Available in black or white colour options, this standard version speaker provides versatile audio reinforcement without requiring significant space or complex setup.

Features and Construction

The speaker's functionality centres on wireless connectivity and compact portability, with specific technical features detailed in the following sections.

Material and Build

The speaker incorporates a built-in lithium battery as its power source, which can be recharged through a standard USB connection. This battery system eliminates the need for mains power during operation, enabling cord-free placement and transport. The construction includes a card reader interface that accepts microSD cards for direct audio file playback, providing an alternative audio source to Bluetooth streaming. The standard version design maintains straightforward functionality without complex control systems or unnecessary features.

Size and Practical Fit

With dimensions of 90mm x 73mm x 73mm, this speaker occupies minimal space on tables, shelves, or countertops while still delivering amplified audio with subwoofer enhancement. The compact form factor makes it suitable for placement in various rooms without dominating the available space, including bedrooms, offices, kitchens, or outdoor seating areas. Its portable nature allows movement between locations as needed, supported by the rechargeable battery system that provides cordless operation for temporary setups. The relatively small size doesn't compromise basic audio reinforcement for personal listening or small group situations.

Uses and Placement

The speaker's combination of wireless operation and compact design supports multiple practical applications in different environments.

Event or Professional Use

For professional applications, this speaker can serve as supplementary audio reinforcement during presentations, meetings, or small-scale events where portable, battery-powered sound is required. The microSD card reader allows background music playback without needing a connected device, while Bluetooth streaming enables wireless audio from presentation laptops or mobile devices. The compact size makes it suitable for temporary setups on lecterns, registration tables, or exhibition stands where space is limited but clear audio is necessary. Its subwoofer function provides fuller sound than basic portable speakers, improving vocal clarity and music reproduction in small to medium-sized rooms.

Everyday Home Use

In domestic settings, this speaker functions as versatile audio equipment for various rooms and activities. The wireless Bluetooth connectivity allows streaming from smartphones or tablets for personal music listening, podcasts, or audiobooks without cabling constraints. Its portable nature with USB charging enables movement between rooms as needed – from kitchen countertop while cooking to bedroom nightstand for evening listening. The microSD card reader provides an alternative music source for areas with limited Wi-Fi coverage or for users preferring local file playback. The compact dimensions allow discreet placement on shelves, desks, or side tables without occupying significant surface area.

Benefits and Buying Value

The practical advantages of this speaker derive from its specific technical capabilities and physical characteristics.

Reuse and Low Maintenance

The rechargeable lithium battery supports repeated use cycles with USB recharging, reducing disposable battery consumption and ongoing power costs. The durable construction without moving mechanical parts (aside from the card reader) requires minimal maintenance beyond occasional cleaning of surfaces and charging contacts. Both Bluetooth and microSD playback options extend the product's useful lifespan by supporting multiple audio source technologies rather than relying on a single connection method that might become obsolete. The standard design without complicated interfaces or proprietary software ensures straightforward operation without specialised technical knowledge.

Why Choose This Product

This speaker offers specific advantages for users needing compact, portable audio reinforcement with multiple playback options. The combination of Bluetooth wireless streaming and microSD card playback provides flexibility in audio sources, accommodating both modern wireless devices and traditional local file storage. The integrated subwoofer enhances audio quality compared to basic portable speakers, delivering fuller sound despite the compact dimensions. The USB-charged battery system enables true portability without power cord restrictions, supporting use in locations without convenient mains sockets. For those requiring amplified audio in a small package with straightforward operation, this product delivers measurable functionality within its stated specifications.