Portable mono Bluetooth speaker Plusonic PS7912BT with USB connectivity and rechargeable battery

Plusonic PS7912BT is a portable mono Bluetooth speaker designed for simple, on-the-go audio. It combines wireless Bluetooth playback with direct USB audio connectivity and an internal rechargeable battery in a compact enclosure that is easy to carry. The speaker is aimed at personal listening, small gatherings and situations where straightforward, reliable sound and basic connectivity are required.

Advantages

The speaker offers wireless Bluetooth pairing for convenient playback from smartphones, tablets and other Bluetooth-enabled devices, together with a USB input for direct playback from compatible media sources. Its rechargeable battery enables cordless use and quick setup without external power. The compact, lightweight design simplifies transport and placement, while straightforward controls support fast pairing and basic volume adjustment.

Suitable for

• Personal listening at home or outdoors
• Small social gatherings and casual background music
• Portable audio for travel, picnics or short trips
• Simple playback from a phone, tablet or USB media

Key specifications

• Audio configuration: mono speaker
• Wireless connectivity: Bluetooth (for stereo-capable sources played in mono)
• Wired connectivity: USB playback/input
• Power source: internal rechargeable battery
• Control: onboard controls for power, pairing and volume
• Design: compact, lightweight portable enclosure

How to use

Charge the internal battery using the supplied charging cable until the charging indicator shows full. Turn the speaker on and activate Bluetooth on your source device, then select the speaker from the device’s Bluetooth menu to pair and connect. For USB playback, insert a compatible USB media device into the USB port and use the onboard controls to start playback and adjust volume. If needed, use the integrated controls to power off, change playback or adjust volume during use.

Recommendations

Keep the speaker dry and avoid exposing it to extreme temperatures. For best battery life, fully charge before extended use and avoid leaving the battery fully discharged for long periods. Use moderate volume levels to maintain sound clarity and preserve battery runtime.