Bowers & Wilkins Pi7 S2 Noise-Canceling True Wireless In-Ear Headphones (Satin Black) - Manual (Page 4)

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4. Stowing the Earbuds
When not in use, the Pi7 S2 earbuds should be
stowed inside the charging case, where they will be
recharged for future use.
5. Battery Charging
Pi7 S2 ships with the charging case and earbud
batteries partially charged and may be used
immediately. However, we recommend fully charging
the earbuds and case before first use. Please allow
up to 3 hours to fully charge.
To charge the Pi7 S2 earbuds:
1. Place the Pi7 S2 earbuds in the charging case.
2. Close the charging case lid.
To charge the Pi7 S2 charging case:
1. Use the supplied USB charging cable and
connect one end to a USB wall charger or a
powered computer USB port.
2. Connect the other end to the USB-C socket on
the charging case.
Note: While charging, the case indicator will
flash green. When fully charged, the indicator will
light solid green. The case can be charged with
or without the earbuds being housed inside the
case.
To charge the Pi7 S2 case using a wireless charging
station:
1. Place the charging case onto the centre of your
wireless charging station (not supplied).
2. Ensure that the rear of the charging case is on
the charging station (with the case indicator
facing up).
Note: While charging, the case indicator will flash
green. When fully charged, the indicator will light
solid green.
5.1 Status Indicator
The status indicator is located on the front of the
case. When the earbuds are placed in the case,
the LED provides information about the earbuds.
When the earbuds are removed from the case, the
LED provides information on the charging case. See
Diagram 3 and the tables that follow for LED states.
5.2 Checking Battery Levels
You can check the case battery level by pressing
the button on the outside of the case once. To see
the earbuds’ battery level, stow both earbuds in the
case and press the case button twice. See Diagram
4 for button location.
Battery levels can also be viewed in the
Bowers & Wilkins
Music app.
Status LED states with the earbuds in the charging case:
Illumination Operational state
Flashing Green
(case lid open)
Earbud battery charge >40%
Flashing Yellow
(after power on)
Earbud battery charge between 20% and 40%
Flashing Red
(after power on)
Earbud battery charge <20%
Solid Red Hardware reset/system crash
Flashing Blue Bluetooth pairing mode enabled
Solid Blue
(for 3 seconds)
Bluetooth pairing successful
Status LED states with the earbuds removed from the charging case:
Illumination Operational state
Flashing Green
(case lid open)
Case battery charge >40%
Flashing Yellow
(after power on)
Case battery charge between 20% and 40%
Flashing Red
(after power on)
Case battery charge <20%
Solid Red Hardware reset/system crash
Diagram 3
Status indicator illuminations
With the earbuds removed from the charging case
With the earbuds in the charging case
Illumination Operational state
Illumination Operational state
Pairing successful
Diagram 4
Case and earbud battery indicator