Airdopes Unity ANC Headphone Type In-Ear Category Wireless Earbuds IPX Rating IPX5 Driver Size 10mm*2 Music Playtime Up To 50 Hours Frequency 20Hz-20KHz Battery capacity 500mAh (Case), 35mAh*2 (Earbuds) Beast Mode Yes ASAP Charge Yes Charging Time About 1.5 hours Operating Range 10m Compatibility All Bluetooth Device c type charging