Model: k550
Bluetooth version: 5.3
Earplug battery: 40mAh
Charging case battery: 260mAh
Charging time: 1-2 hours for charging
Voltage: 3.7V
Input voltage: 5V
Transport packaging: Gift box packaging
Trademark: AiL
Origin: Shenzhen, China
HS code: 8517629900
Production capacity: 500000 pieces per month
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