Bluetooth speaker Lenco BTC-020WH with built-in microphone, portable wireless audio

Lenco BTC-020WH is a portable Bluetooth speaker with a built-in microphone designed for wireless audio playback and hands-free voice use. The compact unit supports Bluetooth pairing for streaming from compatible devices and offers multiple input options for flexible playback. Built-in LED lighting and basic voice effects extend its functionality beyond simple music reproduction, making it suitable for small gatherings and on-the-go entertainment.

Advantages

The speaker delivers 5 W RMS output for clear sound in personal and small-group settings, while a 1200 mAh rechargeable battery provides extended playback time. Integrated microphone functionality enables hands-free calls and voice use, and the included rechargeable wireless microphone expands the device’s karaoke and speaking capabilities. Multiple input methods—Bluetooth, 3.5 mm AUX, USB and microSD—allow playback from a variety of sources, and onboard controls for volume, equalizer and echo let you adjust sound and vocal effects directly on the unit.

Suitable for

• Personal listening at home or outdoors
• Small parties and family gatherings
• Karaoke sessions and voice performances
• Hands-free calls and voice communication
• Portable background music for casual events

Key specifications

• Audio output: 5 W RMS
• Battery capacity (speaker): 1200 mAh, rechargeable
• Microphone battery: 500 mAh, rechargeable (wireless microphone included)
• Wireless connectivity: Bluetooth 5.4 with up to 10 m range
• Wired inputs: 3.5 mm AUX, USB input, microSD slot
• Controls: volume control, equalizer, echo/voice effects
• LED lighting effects for atmosphere
• Automatic power-off after 15 minutes (power saving)
• Frequency range: 0–2400 Hz

How to use

Charge the speaker with the provided USB-C charging cable before first use. Turn on the unit and enable Bluetooth on your source device to pair within a typical 10 m range, or connect via 3.5 mm AUX, USB drive or microSD card to play local files. Use the onboard buttons to adjust master volume, microphone volume and equalizer settings; apply echo or voice effects when using the included wireless microphone. For calls, answer or end calls using the speaker’s controls when a phone is connected over Bluetooth.

Usage recommendations

To preserve battery life, fully charge the speaker and microphone before extended use and enable automatic power-off when the device is idle. Place the speaker on a stable surface away from strong magnetic sources and avoid exposing it to moisture. For improved vocal clarity during karaoke or announcements, maintain a distance of 5–15 cm between the microphone and the mouth and adjust microphone volume and echo to suit the environment.