JBL Tune 670NC Wireless Adaptive Over-Ear Headphones Black

The power supply is 5 V with 1 A, while the frequency response is 20 Hz to 20 kHz. The impedance is 32 ohms and it uses Bluetooth version 5.3. The driver size is 32 mm/ 1.25" with a dynamic battery type of Lithium-ion (690 mAh/ 3.7V). It only takes 2 hours to charge and can provide up to 70 hours of music playtime with Bluetooth on. With Bluetooth on and ANC off, the music playtime is also up to 70 hours, but with ANC on, it is reduced to up to 44 hours. When using the AUX and ANC together, the music playtime can be enjoyed for an extended period.

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