Bose QC25 User Manual

2. Charging the BTunes
When the BTunes need to be charged, it will emits “Battery low” and the red
LEDflashes instead of blue LED. Pleaserecharge the battery of the BTunes.
1) Plug the USB charging cable into the charging jack of a PC or a charger.
2) Plug the end of USB charging cable into the USB port on the BTunes.
RED light on→Charging
RED light off→Finished charging
3)It will take about 1.5 hours to finish charging.
Warning:
The battery is recyclable.
Batteries (battery pack or batteries installed) shall not be exposed to
excessive heat, such as sunshine, fire or the like.
■ Getting started
1. Powering on/off the BTunes
Function
Operation
LED indicator
Prompt tone
Power on
Press and hold MFB
button for 2 seconds
Blue LED on
Power on
Power off
Press and hold MFB
button for 3
seconds
Red LED on
Power off
2

Bose QC25 Specifications

General

Type	Over-ear
Connectivity	Wired
Connector	3.5mm
Battery Type	AAA
Foldable	Yes
Noise Cancellation	Active
Battery Life	Up to 35 hours
Weight	195 grams
Cable Length	1.42 meters
Included Accessories	Carrying case, Airline adapter
Warranty	1 year limited warranty