SHARP GX-BT280(BK) Portable Bluetooth Speaker, Wireless Stereo Sound with TWS & Duo Connectivity, Splashproof Rechargeable Compact Speaker with Call Answering, Google & Siri Compatible – Black

Sharp (4974019103884 / GX-BT280(BK)) - 3.5 mm connector - Bluetooth - Built-in microphone - LED indicators - On/off switch - USB connectivity - Battery capacity: 2800 mAh - Lithium-Ion (Li-Ion) - Built-in battery

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Product Overview

The SHARP GX-BT280(BK) is a compact, splashproof Bluetooth speaker designed for on‑the‑go audio enjoyment. With a sleek black cylindrical form factor, it delivers 20 W of stereo sound through two integrated drivers while maintaining portability and durability.

Key Features

Wireless Connectivity: Bluetooth 4.2 supports seamless pairing with Android and iOS devices.
TWS & Duo Mode: Pair two speakers for a richer stereo experience or use the Duo feature to connect with other compatible units.
Call Answering: Built‑in microphone allows hands‑free calling directly from the speaker.
Voice Assistant Compatibility: Works with Google Assistant and Siri for voice‑controlled playback.
IP56 Splashproof Rating: Resistant to splashes, dust, and light water jets—ideal for outdoor use.
12‑Hour Playback: 2800 mAh Li‑Ion battery powers up to 12 hours of continuous music.
Dual Audio Inputs: 3.5 mm AUX input, Micro‑USB charging port, and Bluetooth for versatile connectivity.
LED Indicators & Volume Buttons: Intuitive controls with LED status lights for power, battery, and pairing states.

Design & Build Quality

The speaker’s cylindrical shape measures 186 mm in height and 67 mm in width, weighing only 440 g. Its matte black finish gives a modern aesthetic while the integrated handle ensures easy transport. The internal layout houses two drivers that provide balanced stereo output, supported by a DSP engine for enhanced sound clarity.

Durability & Protection

The IP56 rating guarantees protection against dust ingress and water jets from any direction. This makes the GX‑BT280 suitable for beach trips, picnics, or backyard parties where accidental splashes are common.

Audio Performance

Frequency Response: 150 Hz – 20 kHz delivers a full range of bass and treble tones.
Power Output: 20 W RMS ensures clear sound even in moderately loud environments.
DSP Technology: Digital signal processing optimizes audio quality, reducing distortion and enhancing clarity.

Battery & Power Management

The built‑in 2800 mAh Li‑Ion battery offers up to 12 hours of playback on a single charge. The speaker includes a Micro‑USB charging port for quick recharging, and its standby power consumption is only 0.001 W, making it energy efficient.

Connectivity Options

Bluetooth 4.2: Reliable wireless pairing with low latency.
AUX Input (3.5 mm): Connect wired devices such as laptops or older audio sources.
Micro‑USB Port: Used for charging and firmware updates if applicable.
No Wi‑Fi, DLNA, or FM radio support—focus remains on high‑quality audio playback.

Control & User Interface

The speaker features dedicated volume buttons and an integrated power switch. LED indicators provide real‑time status for power, battery level, Bluetooth pairing, and call activity. The design prioritizes simplicity, allowing users to operate the device without navigating complex menus.

Use Cases & Versatility

Outdoor Activities: Beach days, camping trips, or garden parties—its splashproof construction keeps it safe from water.
Indoor Entertainment: Home listening, office background music, or travel companions.
Hands‑Free Communication: Built‑in mic and call answering make it convenient for quick calls while on the move.
Voice Assistant Integration: Control playback with Google Assistant or Siri without touching the device.

Specifications Summary

Feature	Description
Power Output	20 W RMS (two drivers)
Battery Capacity	2800 mAh Li‑Ion, 12 h playback
Bluetooth Version	4.2
IP Rating	IP56 splashproof
Dimensions (H×W×D)	186 mm × 67 mm × 67 mm
Weight	440 g
Frequency Response	150 Hz – 20 kHz
AUX Input	3.5 mm jack
Micro‑USB Port	Charging & data
Built‑in Microphone	Yes, for calls and voice assistants
Operating Temperature	5 °C – 40 °C
Power Consumption (Standby)	0.001 W

Conclusion

The SHARP GX-BT280(BK) combines robust build quality, versatile connectivity, and solid audio performance in a pocket‑sized package. Its splashproof design, long battery life, and voice assistant support make it an excellent choice for users who demand reliable sound on the move without compromising style or functionality.

This product in Comparor
Category This product is cataloged in our store in these categories
International Find this product in one of our international stores	49.90 EUR 91.60 EUR 93.38 EUR
Colors Predominant colors of the product
Tags	Sound plus Portable BLUETOOTH Speaker
Identifiers
Brand	Sharp is a brand that produces electronics, appliances, and services. Some of their well-known products include televisions, air conditioners, and smartphones. Sharp is a subsidiary of Foxconn, a Taiwanese electronics manufacturer.
Model	Sharp GX-BT280(BK)
MPN	Sharp GX-BT280(BK)
ID	10529462
Dimensions / Weight
Key Features
3.5 mm connector Indicates whether a product includes a standard 3.5 mm audio connector, the common analog jack used for headphones, microphones and other audio devices.	Yes
Battery capacity The total amount of electrical energy a battery can store, expressed as a numeric value with an appropriate unit such as mAh or Ah. It indicates how long the device can operate between charges and allows users to compare power supplies across products.	2800 mAh
Battery technology The chemical composition or classification of a battery, such as lithium‑ion, lithium‑polymer, nickel‑metal hydride, sealed lead acid, alkaline, zinc‑air, etc. It indicates the type of electrochemical reaction that stores and delivers energy in the device.	Lithium-Ion (Li-Ion)
Battery type The chemical composition or classification of a battery, such as alkaline, lithium‑ion, NiMH, or lead‑acid. It indicates the energy storage technology used in the product and helps users identify compatibility with devices that require specific battery chemistries.	Built-in battery
Bluetooth	Yes
Bluetooth version The specific version of the Bluetooth standard supported by the product, indicating its capabilities for wireless communication and compatibility with other devices. Values may be numeric (e.g., 4.2, 5.0) or include additional descriptors such as "+HS" or feature lists.	4.2
Built-in microphone Indicates whether the product includes at least one built‑in microphone. A value of "Yes" means that the device has an integrated microphone, while "No" indicates it does not.	Yes
Cables included A list of the cable types that are supplied with the product, such as USB, HDMI, VGA, DisplayPort, LAN (RJ‑45), SATA, audio or other relevant connectors.	AUX,Micro-USB
Card reader integrated Indicates whether the device includes a built‑in card reader that can read removable memory cards such as SD, microSD, MMC or similar formats.	No
Certification A list of official certifications or compliance marks that the product has received from regulatory bodies, safety organizations, or industry standards groups. Each entry represents a distinct certification such as CE, FCC, RoHS, UL, or WEEE, and may include additional details like version numbers or specific test reports.	CE (EMC), CB (Safety), ErP (Energy)
Connectivity technology The network and data interface technologies supported by the product, such as Wired, Wireless, USB, Bluetooth, or combinations thereof. Each value represents a distinct technology that can be used for communication or power delivery.	Wired & Wireless
Depth The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.	67 mm
Design The visual style or aesthetic category of a product, such as "Digital signage flat panel", "Modern", "Retro", or "Sporty". It describes the overall look and feel that distinguishes the item from others in its class.	Cylinder
FM Radio Indicates whether the product includes a built‑in radio receiver or transmitter capable of receiving or broadcasting radio signals without external accessories.	No
Frequency Range The span of frequencies, expressed in hertz (Hz), that a device can operate within or respond to. It may be given as a single value, a numeric range (e.g., "20 000‑50 000 Hz"), or an open‑ended interval such as "2.4 GHz+" indicating the lower bound only.	150 - 20000 Hz
Height The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.	186 mm
LED indicators A list of the functions or statuses that an LED indicator on a device can display, such as power status, activity, link, and other operational signals.	Yes
Mobile operating systems supported A list of mobile operating systems that the product supports, including specific versions and architectures when relevant. Each value represents a distinct OS that is compatible with the device.	Android,iOS
Number of speakers The total count of individual speaker units included in the product. It indicates how many separate speakers are present, whether built‑in or external, and helps users compare audio capabilities across models.	2
On/off switch Indicates whether the product includes an on/off switch that allows the user to power it on or off manually.	Yes
Package depth The linear measurement from front to back or top to bottom of a product’s packaging, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the packaged item is and can be used for fitting, compatibility, or spatial planning.	105 mm
Package Height The vertical dimension of a product’s packaging measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and helps customers assess how tall the package will be when stored or shipped.	99 mm
Package type The form of packaging used for a product, such as box, blister pack, bag, or pallet. It indicates how the item is contained and protected during shipping and storage.	Gift box
Package width The horizontal measurement of a product’s packaging, expressed in a linear unit such as millimetres or inches. It indicates how wide the package is from one side to the other and helps customers assess fit for storage, shipping, or display.	217 mm
Power consumption (StandBy)	0.001 W
Power source type The type of electrical supply that powers the device, such as mains electricity, batteries, USB power, or a combination of these options.	Battery
Quantity per pack The total count of individual units contained within a single package or bundle. This value helps customers understand how many pieces they receive when purchasing the product, and it is useful for inventory, shipping, and comparison purposes.	1 pc(s)
Recommended usage A brief statement of the intended or most suitable use cases for a product, such as the type of environment (indoor, outdoor), activity (gaming, office work, music listening) or general application category. It helps customers quickly determine whether the item fits their needs.	Universal
RMS rated power The root‑mean‑square (RMS) power rating of a device, expressed in watts (W). It represents the average electrical power that the product can deliver or consume under normal operating conditions.	20 W
USB connectivity Indicates whether the product has a USB interface for data transfer or power delivery. A value of "Yes" means at least one USB port is present; "No" indicates no USB ports are available.	Yes
USB connector type The specific type of USB connector used by a device, such as USB Type‑A, USB Type‑B, USB Type‑C, Micro‑USB, Mini‑USB, or other variants. It indicates the physical port that allows data transfer and power delivery between the device and peripherals.	Micro-USB
Volume control Indica el mecanismo o método con que se opera la función de ajuste de volumen en un producto, como botones físicos, controles giratorios, táctiles, digitales o combinaciones de estos. Los valores comunes incluyen "Tocar", "Botones", "Giratorio", "Control en línea" y otras variantes similares.	Buttons
Weight The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.	440 g
Wi-Fi Indicates whether the product has built‑in Wi‑Fi capability, allowing it to connect to wireless networks without requiring external adapters or dongles.	No