Portable Speaker Denver BTS-51 Lime

The Denver BTS-51 Lime is a splashproof portable Bluetooth speaker designed for simple wireless music playback from a smartphone or PC. The compact unit measures 80 x 210 x 80 mm and weighs 328 grams. It operates on 4 x AA batteries (not included) and offers a Bluetooth range of approximately 8–10 meters, with IPX4 splash protection allowing use in bathrooms or light outdoor conditions.

Advantages

The speaker pairs easily with Bluetooth-enabled devices for wireless audio within an 8–10 meter range. Its splashproof (IPX4) rating permits use near water or in damp environments. The compact, lightweight form factor (328 g) and battery operation using common AA cells make it portable and simple to power without needing a wired mains connection.

Suitable for

• Listening to music in the bathroom or kitchen
• Portable background music for small outdoor gatherings
• Use with smartphones or PCs via Bluetooth
• Situations where mains power is not available (AA battery operation)

Key specifications

• Model: Denver BTS-51 Lime
• Connectivity: Bluetooth (pair with smartphone or PC)
• Range: 8–10 meters
• Ingress protection: IPX4 (splashproof)
• Power supply: 4 x AA batteries (not included)
• Number of speakers: 1
• Unit size: 80 x 210 x 80 mm
• Unit weight: 328 grams

How to use

Insert four AA batteries into the battery compartment following the polarity markings. Turn on the speaker and enable Bluetooth on your smartphone or PC. Search for available Bluetooth devices and select the Denver BTS-51 to pair. Once paired, play audio from your device; volume and playback are controlled from the connected device or the speaker’s controls if available. After use, switch the speaker off to conserve battery.

Recommendations

For best performance, use fresh high-quality AA batteries and avoid submerging the speaker. IPX4 protection covers splashes and light rain but not full immersion. Keep the speaker within the specified Bluetooth range for stable wireless connection.