Mono portable speaker Havit SK900BT, black

The Havit SK900BT is a compact mono portable speaker in black designed for mobile use. It features a 57 mm driver and an RMS rated power of 3 W, delivering clear sound for everyday listening. Wireless connectivity via Bluetooth provides a convenient connection to smartphones and other devices with an effective range up to 10 metres. The speaker’s housing combines durable fabric with polycarbonate for a balance of protection and lightweight portability. MP3 playback support adds versatility for offline music from memory cards or connected sources.

Advantages

The SK900BT offers a small-form-factor solution with consistent mono audio output suitable for personal use. Bluetooth wireless connection enables fast pairing and cable-free operation, while the compact design and moderate weight make it easy to carry. The combination of a 57 mm driver and up to 3 W RMS power provides a clear and intelligible sound profile for speech and music. Durable materials in the enclosure increase resistance to daily wear.

Suitable for

• Listening to music from a smartphone or tablet at home or outdoors
• Hands-free phone calls when connected to a mobile device
• Portable audio for small gatherings or personal use
• Playback from TF/microSD card or connected MP3 sources

Key specifications

• Driver diameter: 57 mm
• RMS power: 3 W (5 W peak stated by manufacturer)
• Number of speakers: 1 (mono)
• Wireless connectivity: Bluetooth (effective range up to 10 m)
• Supported audio format: MP3
• Battery capacity: 1200 mAh (manufacturer-stated playback up to 6 hours)
• Charging port: USB-C; approximate charge time 2.5 hours (manufacturer information)
• Materials: fabric and polycarbonate housing
• Product colour: Black
• Weight: 0.511 kg

How to use

Charge the speaker via the USB-C port until the battery is full, then power it on using the designated button. Enable Bluetooth on your smartphone or other device and select the Havit SK900BT from the available devices list to pair. For TF card playback, insert a compatible microSD/TF card loaded with MP3 files in the card slot and switch the speaker to the appropriate playback mode. Use the built-in controls to adjust volume, change tracks or answer incoming calls when connected to a mobile phone.

Recommendations

For longest battery life and consistent performance, avoid exposing the speaker to prolonged direct sunlight or moisture and fully charge the battery before storing for extended periods. If using two speakers in TWS mode (if supported), follow the pairing sequence described in the manufacturer manual to ensure correct left/right channel assignment.