Model: Y1 Bluetooth version 5.2 Color: Black Hour time: 180 hours Earphone battery: 40mAh Charging case battery: 300mAh Charging time: 1-2 Transport packaging: Gift box packaging CE, RoHS, FCC certification Trademark: AiL Origin: Shenzhen, China Product Code: 8517629900 Production capacity: 500000 pieces per month