KOLEER S31 Waterproof Portable Wireless Speaker

The Koleer S31 Waterproof Portable Wireless Speaker is a durable and versatile Bluetooth speaker designed for both indoor and outdoor entertainment. Featuring IPX7 waterproof protection, Bluetooth 5.0 + EDR connectivity, built-in microphone, and powerful 5W sound output, the S31 delivers reliable audio performance wherever you go.

Built for outdoor adventures, the Koleer S31 comes with an IPX7 waterproof rating, protecting it from water exposure and making it suitable for travel, camping, poolside use, and outdoor activities.

The advanced Bluetooth 5.0 + EDR technology provides fast and stable wireless connectivity with a transmission distance of up to 15 meters, allowing easy connection with smartphones, tablets, and other Bluetooth devices.

With a 5W power output and high sensitivity of 108dB, the Koleer S31 delivers loud and clear audio suitable for music, podcasts, calls, and outdoor entertainment.

The integrated microphone allows convenient hands-free calling, making it easy to answer calls directly through the speaker without disconnecting your device.

Equipped with a 1200mAh rechargeable battery, the S31 provides approximately 4–5 hours of playback time, making it a reliable companion for travel and outdoor use.

• Portable waterproof Bluetooth speaker.
• IPX7 waterproof and dustproof protection.
• Bluetooth 5.0 + EDR wireless technology.
• Wireless range up to 15 meters.
• 5W powerful audio output.
• Built-in microphone for hands-free calling.
• Supports plug-in card playback.
• Volume control function.
• Compact plastic shell and cabinet design.
• Suitable for outdoor trips, travel, home, and office use.