Bose QuietComfort Ultra Instrucciones De Uso Y Seguridad página 38

CHARGING TIME
COMPONENT
Earbuds
Charging case
NOTES:
• When the earbud battery level is low, a 20-minute charge with the case closed
powers the earbuds for up to 2 hours.
• A full charge powers the earbuds for up to 6 hours with immersive audio set to Off
(up to 4 hours with immersive audio set to On).
• When the case is fully charged, you can fully charge the earbuds up to 3 times.
• When the earbuds are inside of the case, the case charging time varies.
1 Testing conducted by Bose in July 2023 using production-representative Bose QuietComfort Ultra Earbuds and Bose
QuietComfort Ultra Earbuds charging case. Quick charge testing consisted of inserting earbuds with battery depleted (to the
point of no audio playback) into a fully charged case and charging earbuds for 20 minutes, then resuming Bluetooth A2DP
audio playback with volume set to loudness of 75dBSPL, 3-band EQ set to zero, in Quiet Mode (full noise cancellation) with
Immersive Audio switched off, resulting in up to 2 hours playback time before battery depletion. Time to achieve fully charged
earbuds was determined by inserting earbuds with battery depleted (to the point of no audio playback) into a fully charged
case and charging earbuds to 100% battery charge. Battery life varies based on settings and usage.
2 See 1.
3 Testing conducted by Bose in June 2023 using production-representative Bose QuietComfort Ultra Earbuds and a variety of
music tracks using A2DP Bluetooth audio. Volume set to playback loudness of 75dBSPL, 3-band EQ set to zero, in Quiet Mode
(full noise cancellation). With Immersive Audio off, playback time was up to 6 hours before battery depletion. With Immersive
Audio on, playback time was up to 4 hours before battery depletion. Battery life varies based on settings and usage.
4 Testing conducted by Bose in July 2023 by inserting production-representative Bose QuietComfort Ultra Earbuds with battery
depleted (to the point of no audio playback) into a fully charged Bose QuietComfort Ultra Earbuds charging case and charging
earbuds to 100%, then resuming audio playback until battery depletion. Testing resulted in three complete charging cycles by
the case before a full charge was no longer possible.
BAT TE RY
CHARGING TIME
Up to 2 hours
1
Up to 3 hours
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