Julbo J588_3651 - L Wireless On-Ear Headphones with Bluetooth 5.3, 57h Battery, Foldable Design, Blue

In a market flooded with black audio gear, the Julbo J588_3651 - L breaks the mold with a striking blue finish and a foldable frame that slips into a bag or jacket pocket. Most on-ear headphones force a compromise between marathon battery life and compact portability—this model delivers both, pairing Bluetooth 5.3 efficiency with up to 57 hours of playback on a single charge. Whether you're commuting, traveling, or working across multiple devices, the J588_3651 - L is built to keep up without weighing you down.

Highlights

• Bluetooth 5.3 wireless connectivity for stable, energy-efficient streaming
• Up to 57 hours of playback on a single charge — nearly a week of typical use
• Quick Charge: 5 minutes of charging provides 3 hours of listening
• 33 mm dynamic drivers tuned for JBL Pure Bass Sound
• Foldable on-ear design with integrated controls and built-in microphone
• Multi-point connection: pair with two devices simultaneously
• Voice assistant support for Siri and Google Assistant

In daily use

Slip the J588_3651 - L into a bag or jacket pocket thanks to its foldable hinges, then unfold it when you need immersive sound. The on-ear controls put volume, track navigation, and call management at your fingertips, while the built-in microphone ensures clear hands-free conversations. Multi-point pairing means you can stay connected to your laptop and phone at once, switching seamlessly between a video call and a playlist. With a 450 mAh lithium-ion polymer battery, you can go from Monday to Sunday without reaching for the USB-C cable.

Full specifications

• Connectivity: Wireless (Bluetooth 5.3)
• Driver size: 33 mm dynamic drivers
• Frequency response: 20 Hz – 20 kHz
• Impedance: 30 Ohms
• Sensitivity: 102 dB SPL@1kHz 1mW
• Maximum SPL: 95 dB
• Microphone: Built-in
• Battery type: Lithium-ion Polymer (3.7V, 450mAh)
• Charging time: 2 hours
• Charging port: USB-C
• Voice assistant support: Siri, Google Assistant
• Multi-point connection: Yes
• Sound features: JBL Pure Bass Sound
• Design: On-Ear, Foldable
• Controls: On-ear (Volume, Music, Calls)
• Color: Blue

Final note

The Julbo J588_3651 - L is a rare blend of endurance and portability, wrapped in a bold blue design. It's the ideal companion for those who refuse to sacrifice sound quality or battery life on the go.