Portable Bluetooth speaker Anker Soundcore Boom 3i — 50W, waterproof, battery-powered

Anker Soundcore Boom 3i is a portable 50W Bluetooth speaker designed for outdoor and everyday use. The device provides wireless connection to smartphones and tablets, a waterproof housing that protects against splashes and rain, compact dimensions for easy transport and a battery designed to support extended playback. The speaker balances high output with portability, enabling clear sound reproduction for small gatherings, travel and personal listening.

Advantages

The speaker delivers 50W of audio power for robust volume and improved bass response in a compact enclosure. Bluetooth wireless pairing allows straightforward connection with modern phones and tablets without cables. A waterproof housing increases resistance to wet conditions and accidental splashes, while the battery supports long playback between charges. Physical controls and a simple interface make operation quick and intuitive outdoors or on the move.

Suitable for

• Outdoor gatherings and park or beach use
• Travel and weekend trips where compact audio is needed
• Small parties or social events requiring louder, portable sound
• Everyday portable listening at home, in workshops or on balconies

Key specifications

• Audio output: 50 watts total
• Connectivity: Bluetooth wireless connection for smartphones and tablets
• Ingress protection: waterproof housing suitable for splashes and rain
• Power source: rechargeable internal battery for portable operation
• Design: compact, transport-friendly dimensions and durable enclosure

How to use

Charge the speaker fully before first use using the provided charging cable. Power the unit on, enable Bluetooth on your smartphone or tablet and select the speaker from the list of available devices to pair. Adjust volume and playback either from the connected device or using the speaker’s onboard controls. For outdoor use, place the speaker on a stable surface and keep it upright to ensure optimal sound dispersion. Recharge the battery when the indicator shows a low level.

Recommendations

For reliable performance outdoors, avoid submerging the speaker and rinse off any sand or dirt after beach use. Keep firmware updated when updates are available and maintain moderate volume levels to preserve battery life and avoid speaker distortion at maximum output.