Air 31 Wireless Transparent Earbuds

Air 31 Wireless Earbuds: Crystal Clear Bluetooth 5.3 Available 

Wireless Type: Bluetooth EDR(both sides), Ultra Low Consumption
Bluetooth Version: V5.3
Bluetooth Mode: A2DP 1.3/HFP 1.6/HSP 1.2/AVRCP 1.6/D 11.3
Frequency: 2.4 GHz
Transmission Distance: About 15 – 25 m
Driver Diameter: 10 mm
Playback Time: Upto 5 – 6 Hours
Standby Time: Approx. 72 Hours
Charging Time: Approx. 1-2 Hours
Battery Type : Li-Polymer Battery