Portable mono Bluetooth speaker HAVIT SK800BT with 4W RMS, 900mAh battery, Bluetooth 10m, USB-A — black

HAVIT SK800BT is a compact mono Bluetooth speaker designed for everyday portable use. It delivers 4 W RMS power from a single driver, supports Bluetooth 5.3 wireless connection with an effective range of up to 10 metres, and includes a 900 mAh rechargeable battery that provides up to 6 hours of playback. The speaker accepts multiple input options — Bluetooth, AUX (3.5 mm), USB‑A, TF card and FM radio — and offers TWS pairing to connect two units for a wider stereo sound. The housing combines ABS plastic and fabric and the device has IPX4 splash resistance for outdoor and active use.

Advantages

The HAVIT SK800BT combines a compact, lightweight design with a range of playback options and stable Bluetooth 5.3 connectivity. Its 4 W output is suitable for casual listening both indoors and outdoors, while the 900 mAh battery gives several hours of continuous playback. Added features such as TWS pairing, integrated FM radio, card reader, voice assistant control and hands‑free speakerphone increase its versatility for on‑the‑go use.

Suitable for

• Casual music listening at home or outdoors
• Portable use with smartphones, tablets or laptops via Bluetooth
• Playback from USB flash drives or TF (microSD) cards
• Short outdoor activities where splash resistance is needed (beach, park, workouts)

When it may not be suitable

The HAVIT SK800BT is a mono speaker with 4 W RMS output; it is not intended for high‑fidelity audio or large gatherings that require high volume and deep bass. Battery life of up to 6 hours is adequate for short outings but may be insufficient for extended use without access to charging.

Key specifications

• Output power: 4 W RMS
• Wireless standard: Bluetooth 5.3, range up to 10 m
• Battery: built‑in 900 mAh, 3.7 V; up to 6 hours playback
• Playback modes: Bluetooth, AUX (3.5 mm), USB‑A, TF card, FM radio
• TWS function: supports pairing two speakers for stereo
• Ingress protection: IPX4 (splash resistant)
• Housing materials: ABS plastic and fabric
• Weight: 0.219 kg
• Colour: black

How to use

Charge the speaker fully via the USB‑A charging cable before first use. To play wirelessly, enable Bluetooth on your device and select the speaker from the device list; for TWS pairing, follow the manufacturer pairing procedure to connect two units. To use wired playback, connect a source with a 3.5 mm cable to the AUX input. Insert a TF card or USB flash drive to play stored MP3 files, or switch to FM mode to listen to radio stations. Use the built‑in controls to adjust volume, change tracks and answer calls through the speakerphone function.

What to consider before purchase

• Mono output and 4 W power — suitable for casual listening but not for large, loud environments
• Battery runtime of up to 6 hours — plan for charging on longer outings
• IPX4 splash resistance but not fully waterproof — avoid full immersion
• Connectivity options include AUX, USB‑A and TF card in addition to Bluetooth

Usage recommendations

For best performance, place the HAVIT SK800BT on a stable surface away from obstructions to maximise Bluetooth range, keep firmware or device Bluetooth profiles updated for stable pairing, and avoid exposing the speaker to heavy rain or submersion despite its IPX4 splash resistance.