(A) Lift and remove the rubber
pad from the back of the
charging case.
Noise-Masking Sleepbuds™-
charging case
(B) Cut wires in this order:
1) Red - Positive (+)
2) Black - Negative (-)
3) White
As each wire is cut,
place electrical tape over each
wire end as shown in (C) below.
Carefully remove the battery which is held in place by double-sided tape.
1
3
2
(C) Removed battery shown.
Dispose of the soft pack lithium-ion battery and the remainder of the product in
accordance with local regulations.
Soft pack
lithium-ion
battery
Soft pack
lithium-ion
battery location
1 2
3 4
Locate and remove the
four screws.
Note the soft pack
lithium-ion battery
location.
Avoid damaging the
battery while opening
the charging case.
Soft pack lithium-ion
battery