Wireless Earbuds 
 IPX5 Driver
Size 10 mm*2
Music Playtime Up to 50 Hours
Frequency 20Hz-20KHz
Battery capacity 650 mAh (Case); 40 mAh*2 (Earbuds)
Latency with BEAST™ Mode 50ms
Charging Time About 30min (Earbuds) ;up to 1.5 hours (Case)
Transmission Range 10m
Bluetooth Version V5.3