Block Diagram

AC6956
LTK5128
MUTE
24MHZ
4054
BT ANT
U3
U2
Y1
B1
AUDIO
USB5V INPUT
U4
J1
BATTERY
3.7V
3.7V
3.7V
5V
3.7V
RSPK
LTK5128
U1
LSPK
MUTE
AUDIO
2402-2480MHz

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