
Operating temperature:	41 °F - 95 °F (5 °C - 35 °C)
Power supply:	5V dc, 0.35A
Wireless frequency band:	2400-2483.5 MHz
Continuous playback time:∗	Approx. 6 hours (Earbuds) (Disable Transparency / Noise cancellation) Approx. 18 hours (with Charging case)
Charging time:	Approx. 2 hours (Earbuds) Approx. 2 hours (Charging case)

The usable time of the headphones differs depending on how you use them.

NOTE

The power delivered by the charger must be between min 1.75 Watts required by the radio equipment, and max 15.0 Watts in order to achieve the maximum charging speed.