Block Diagram

AC6965E
LTK5128D
MUTE
24MHZ
4056H
BT ANT
U2
U4
Y1
RF1
AUDIO
USB5V INPUT
U17
USB2
BATTERY
3.7V
3.7V
3.7V
3.7V
5V
3.7V
SPK
KEY
TF INPUT
TF1
USB INPUT
USB1
LED
SWITH
SW1
2402-2480MHz

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