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Smart EMS Sleep Aid Device Portable Electrotherapy Massager Black Pink - black
$20.24
Charging input voltage and current: 50±02V180mA±30mA
Device size: 145*50*38mm
Device net weight: 52g
Charging time: 1-2 hours
Built-in battery specification: 200mAh/3.7V
Usage time: about 20 times 15 minutes/time
Charging output interface: standard V8 interface
