New,sealed and original.
•bluetooth version: 5.0
automatically connection
capacity of case: 500mah
capacity of earbud: 45mah
talking time :4h
music time: 3.5h
waterproof: ipx4
charging case battery capacity : 500 mah
earbuds battery capacity : 45 mah
bluetooth version : 5.0
impedance range : up to 32 ω
driver unit : 6mm
frequency response range: 20 - 20000hz
standby time : about 300 hours
talk time : about 4 hours
music time : about 3.5 hours
charging time : 2 hours
material : silicone