JBL® TUNE (J-K25)

Key Features & Specs

Model: JBL J‑K25NC (wireless version V5.3)

Drivers: 40 mm dynamic drivers delivering deep bass performance

Frequency Range: 0 Hz – 20 kHz

Battery:

Built-in rechargeable 400 mAh battery

Offers around 8–10 hours playback per charge

Bluetooth: Version 5.3 wireless connectivity

Connectivity Options:

Bluetooth wireless

Also supports wired mode via 3.5 mm audio jack

Includes NFC for one-touch pairing (device-dependent)

Micro-SD Slot: Allows standalone music playback

Controls: On‑ear volume, playback, and call controls

Mic: Built‑in microphone with HD voice support for clear calls

Codecs Supported: SBC / AAC / aptX / LDAC

Materials: Rubberized finish with sturdy build

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Pros & Cons

👍 Advantages:

Versatile — works wireless, wired, or from Micro‑SD card.

Deep, dynamic bass from 40 mm drivers.

Modern Bluetooth 5.3 ensures reliable wireless performance.

NFC support enables easy device pairing.

👎 Limitations:

Battery life (≈8–10 hrs) is moderate; requires recharging more often.

Lack of active noise cancellation; sound isolation may be average.

Real-world fit, comfort, and durability aren’t well documented—user opinions vary.

Reviews from similar JBL models (e.g. Tune 225) suggest issues with build quality and earbud durability .
(No specific reviews found for J‑K25NC.)