Sanag T80S PRO Active Noise Cancelling Headphones Dual Host AAC HiFi TWS Wireless Bluetooth Earphone

Bluetooth solution:bluetrum 8922E2

Bluetooth version:5.3

Bluetooth distance:10m

Earphone battery capacity: 30mAh*2

Charging case battery capacity: 300mAh 

Charging case for earbuds: about 4 times

Speaker specifications:32Ω 10MM 

Frequency response range:20Hz-20kHz

Music playback time:about 4 H

Talking time:about 5 H

Headphone charging time:about 1 hour

Charging case charging time:1-2 hours

Charging case size:62.9*25.7*46.2 mm