JBL Tune 235BT Headset Wireless In-ear Calls/Music Bluetooth Black

The JBL Tune 235BT is a wireless in-ear headset designed for calls and music. It offers Bluetooth 5.4 connectivity, an intraaural design, and a frequency response of 20–20,000 Hz. Weighing approximately 19.3 g and finished in black, the headset integrates a built-in microphone and a rechargeable Li‑Ion battery for portable everyday use.

Advantages

The headset provides wireless Bluetooth 5.4 connection for stable streaming and hands-free calls. Its intraaural earbuds deliver clear sound across the stated 20–20,000 Hz range while keeping overall weight low. Integrated microphone and a built-in 130 mAh lithium‑ion battery allow for convenient voice calls and on-the-go listening without external power sources.

Suitable for

• Listening to music on mobile devices
• Hands-free phone calls
• Commuting and travel
• Everyday portable use and light workouts

Key specifications

• Model: JBL Tune 235BT
• Connectivity: Wireless Bluetooth 5.4
• Ear coupling / Wearing style: In-ear (intraaural)
• Frequency response: 20–20,000 Hz
• Impedance: 16 Ω
• Sensitivity: 98 dB
• Microphone: Built-in, -42 dB
• Battery: Built-in Li‑Ion 130 mAh
• Weight: 0.0193 kg
• Colour: Black

How to use

Charge the built‑in battery before first use. Pair the headset with a Bluetooth‑enabled device following the JBL pairing procedure (enable Bluetooth on your device, select the JBL Tune 235BT from the list). Insert the in‑ear earbuds for a secure fit and use the onboard controls to manage playback and calls. After use, power off the headset to conserve battery.

Recommendations

For optimal audio and microphone performance, ensure ear tips fit properly and keep the headset charged. Avoid exposure to water and extreme temperatures. Follow local regulations for using wireless headsets while driving or operating machinery.