Semi-In-Ear Wireless Earphone Colorful Series Skin color

Brand: Trusmi
Model: WS04-01, WS04-02, WS04-03, WS04-04
Color: Skin, White, Black, Purple
Wireless version: V5.4
Working range: 10 meters without obstacles
Wireless frequency: 2.402-2.480GHz
Charge and discharge cycle: ≥300 times
Charging box capacity: 250mAh
Charging input: DC5V-300mA
Charging time: 2 hours
Talk time: about 3 hours (80% volume)
Play music: about 4 hours (80% volume)
Built-in battery of earphone: lithium battery 3.7V, 25mAh