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

Anker Soundcore Boom 3i is a portable 50W Bluetooth speaker designed to deliver powerful audio in a compact, transportable enclosure. The speaker combines wireless connectivity, a waterproof housing and a rechargeable battery to support both outdoor and indoor listening. A robust build and straightforward controls make it suitable for parties, small gatherings, travel and everyday use where mobility and moisture resistance are needed.

Advantages

The speaker offers 50 watts of output power for clear, room-filling sound and enhanced bass response. Bluetooth wireless pairing allows easy connection to smartphones, tablets and laptops without cables. The waterproof design protects against splashes and light rain, while the rechargeable battery provides hours of playback on a single charge. Physical controls and a compact, durable enclosure simplify transport and operation in a variety of environments.

Suitable for

• Outdoor gatherings and picnics
• Small to medium-sized parties
• Poolside or beach use where splash resistance is required
• Portable home audio and casual listening
• Travel and camping

Key specifications

• Output power: 50 W total
• Wireless connectivity: Bluetooth for audio streaming
• Power source: built-in rechargeable battery for portable use
• Protection: waterproof housing suitable for splash and light exposure
• Controls: onboard buttons for playback and volume adjustment
• Form factor: compact, transportable enclosure with durable construction

How to use

Charge the built-in battery before initial use using the supplied or compatible charger. Turn on the speaker and enable Bluetooth on your source device, then select the speaker from the device’s Bluetooth menu to pair. Use the onboard controls to play, pause and adjust volume; for extended listening, monitor battery level and recharge when needed. Place the speaker on a stable, flat surface and avoid submerging it in water despite its waterproof protection.

Recommendations

For best results, position the speaker centrally in the listening area and keep the active sides unobstructed. Avoid exposing the device to prolonged heavy rain or full submersion. Regularly charge the battery if stored for long periods and use moderate volume levels to preserve battery life and speaker longevity.