High quality wireless handfree n21 sports earphones headphones earbuds pro tws 3 4 5 6 x15 a6s in ear buds earbuds

Waterproof Standard IPX-6
Chipset JL
Place of Origin China
Private Mold Yes
Wireless version V5.3
Distance 10m
Frequency response 20Hz-20KHz
Impedance 32 Ω
Charging box 300mAh
Earbuds battery 50mAh
Charging time 1H
Playing time 3-5H