Category：ODM
● Bluetooth ® In ear headphones
● Color: Black/White/Blue (can be designed in multiple colors)
● Mass: 20g (including battery)
● Battery usage: Lithium ion battery (built-in)
● Input/output terminals: Bluetooth
● Supported audio formats: SBC, AAC
● Running time: 25 hours
● Charging: USB
● Waterproof: IPX4
