Portable Speaker Einhell TC-SR 18 Li BT - Solo Black, Red

The Einhell TC-SR 18 Li BT - Solo cordless speaker is a compact portable speaker that connects wirelessly via Bluetooth to smartphones, tablets and other Bluetooth-enabled devices. It also offers an AUX input for wired connection and a USB port for charging a phone, tablet or MP3 player. The speaker belongs to the Power-X-Change system and accepts compatible Einhell lithium-ion batteries; battery and charger are not included.

Advantages

The speaker provides both wireless Bluetooth and wired AUX connectivity, plus a USB charging output. Its intuitive control panel and button-based volume control simplify operation. Lightweight construction (approx. 290 g) and a compact design in black and red make it suitable for mobile use. Compatibility with Power-X-Change batteries allows use without mains power when a compatible battery is fitted (battery and charger sold separately).

Suitable for

• Playing music from smartphones and tablets via Bluetooth
• Connecting MP3 players or devices via AUX cable
• Charging mobile devices from the speaker's USB port
• Portable use on job sites or outdoors when used with Power‑X‑Change batteries

Key specifications

• Brand: EINHELL
• Model: TC-SR 18 Li BT - Solo (MPN 4514150, EAN 4006825644531)
• RMS rated power: 3 W
• Frequency range: 120 – 20,000 Hz
• Connectivity: Bluetooth, AUX input, Micro-USB A connector (for charging)
• Number of speakers: 1
• Weight: 0.29 kg
• Colour: Black, Red
• Power supply: Power-X-Change battery (sold separately); no battery or charger included

How to use

Turn on the speaker and enable Bluetooth pairing on your smartphone or tablet, then select the Einhell TC-SR 18 Li BT from the list of available devices. For wired playback, connect a device using the AUX input. To charge a mobile device, plug it into the speaker's USB port with a suitable cable. Adjust volume using the speaker's buttons. If using without mains power, insert a compatible Power‑X‑Change battery following the battery manufacturer's instructions.

Recommendations

Use compatible Power‑X‑Change batteries from the Einhell range and the original charger for charging. Avoid exposure to moisture and extreme temperatures to preserve speaker performance. For continuous high-volume use, monitor battery level or use an external power source if available.