Ultimate Ears WONDERBOOM 4 Wireless Bluetooth Speaker (Blue)

Overview

The Logitech 984-001877 is a wireless Bluetooth speaker designed for versatile use both indoors and outdoors. It delivers 360° sound through dual 1.6-inch active drivers and two passive radiators, providing balanced audio with clear bass. With an IP67 rating, this speaker resists dust and water, making it suitable for poolside, park visits, or everyday use. Its battery lasts up to 14 hours, supporting extended listening sessions without frequent recharging.

Key features

• 360° sound output that fills the space evenly, ensuring consistent audio quality from any angle
• Outdoor Boost mode enhances volume and clarity for open-air environments
• Podcast Mode emphasizes vocal clarity, making spoken content easier to hear and understand
• Bluetooth connectivity with a range up to 131 feet, allowing flexible device placement
• Pairing capability with a second WONDERBOOM 4 speaker to create stereo sound or increase volume
• Durable design with IP67 dust and water resistance, suitable for rugged outdoor use
• Integrated carry loop for easy attachment to bags or hooks during travel or activities
• USB-C charging port for convenient and fast recharging
• Constructed with at least 31% post-consumer recycled plastic, reducing environmental impact

Key specs

• Drivers: dual 1.6-inch active drivers with two passive radiators
• Sound output: 360° balanced audio
• Water and dust resistance: IP67 rating
• Bluetooth range: up to 131 feet
• Battery life: up to 14 hours of playback
• Charging: USB-C port
• Material: minimum 31% post-consumer recycled plastic

Connectivity and compatibility

The speaker connects wirelessly via Bluetooth, providing a stable link over long distances up to 131 feet. This allows you to keep your phone or other Bluetooth-enabled device nearby without needing to stay right next to the speaker. Pairing with a second WONDERBOOM 4 is straightforward, enabling stereo sound or increased volume for larger spaces or group listening.

Ideal uses and environments

This speaker works well for casual listening at home, outdoor gatherings, or travel. Its water and dust resistance make it a strong choice for poolside use, beach trips, or hiking. The long battery life supports all-day music, podcasts, or calls, while the compact size and carry loop make it easy to bring along wherever you go. It suits users who want a reliable, portable speaker that balances sound quality with ruggedness and convenience.