JBL · Headset

JBL Junior 320BT

Wireless

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Connection Wireless

JBL Junior 320BT is a wireless headset. It came out in 2026.

Released: 2026-03-31

Specifications

Key specs

Connection: Wireless
Released: 2026-03-31
Part number: JBLJR320BTGRNAM
EAN / UPC: 1200130015786

Performance

Product type: Headset
Wearing style: Head-band
Recommended usage: Calls/Music
Headset type: Binaural
Product colour: Green
Control unit type: On-ear control unit
Control type: Buttons
Foldable: Yes
Cable length: 0.2 m
Designed for children: Yes
Sound pressure level (max): 81 dB
Adjustable headband: Yes
Recommended age group: Child

Ports & interfaces

Connectivity technology: Wireless
USB connectivity: Yes
USB connector: USB Type-C
Bluetooth: Yes
Bluetooth profiles: A2DP, AVRCP, HFP
Bluetooth version: 5.3
Frequency band: 2.4 – 2.48

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Headphones

Ear coupling: Supraaural
Headphone frequency: 20 - 20000 Hz
Impedance: 34 Ω
Headphone sensitivity: 80 dB
Driver unit: 3.2 cm

Microphone

Microphone type: Built-in
Microphone sensitivity: -40 dB

Battery

Battery operated: Yes
Battery type: Built-in battery
Battery technology: Lithium-Ion (Li-Ion)
Battery capacity: 500 mAh
Continuous audio playback time: 50 h
Talk time: 40 h
Battery recharge time: 2 h
Battery voltage: 3.7 V

Weight & dimensions

Width: 44 mm
Depth: 175 mm
Height: 175 mm
Weight: 122.2 g

Power

USB Type-C charging port: Yes
USB Type-C required charging power (min): 2.5 W
USB Type-C required charging power (max): 5 W

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About this product

JBL Junior 320BT wireless on-ear headphones introduce a whole new generation to JBL sound in a way that’s safe for their ears. They won’t go beyond 85dB, protecting young listeners from dangerous sound levels. Plus, you can use the JBL Headphones app to customize maximum volume and daily listening time, and get daily or weekly reports on your kids’ listening habits. Designed for young kids, the JBL Junior 320BT are comfortable to wear, with durable oversized controls that are easy for even the littlest hands to use. 50 hours of battery life means long-lasting fun, and a built-in mic lets kids chat with family, friends, or teachers easily. They come in three fun colorways and include a JBL sticker set so your little rockstars can personalize their look. Great sound has no age limit.

Datasheet (PDF)