Materials：PC+ABS
ANC function+Digital display
Bluetooth Chipset:JL 7003
Bluetooth version:V5.3
Frequency range:20HZ-20KHZ
Speaker:φ13mm
Battery:40 mAhx2(earbuds)
360 mAh(charging box)
Impedance:32 Ω
Charging time:2H
Music time:6H
Working distance:10M
Charging port:Type-c

Colors:Black/White