Sanag Z22S Ear Hook Sports Earphone Wireless Bluetooth 5.3 TWS Headphone

Bluetooth version:5.1 

Bluetooth solution:JL 6983D4

Bluetooth distance:10m 

Speaker:Φ10MM 

Frequency response:20HZ-20kHZ

Output sensitivity:-85DB 

Earphone battery capacity:60mAh*2

Battery capacity:400mAh

Charging case charging times:2 times

Earphone charging time :about 2H

Charging case charging time:about 3H

 Music playing time:10 H

 Single headset weight:8G

 Charging bin weight:45g