Sharp Aquos R2 Notes On Usage page 41

B Hold the product securely and shake it approximately 20
times until there is no more water splashing.
Make sure of the safety around you and shake the product while holding it
securely not to let it drop.
Mouthpiece
(Microphone)
section
Sub
microphone
section
Speaker
section
External
connection
jack section
Earphone/
Microphone
jack section
Earpiece (Receiver) section
Key section
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