KZ AZ09 Pro

TWS Bluetooth 5.2 Earhook
Qualcomm QCC3040 Chip, Bluetooth 5.2 High-Speed Transmission
Apt-X Decoding and CVC Call Noise Reduction
Ergonomic and comfortable to wear
TWS+ Dual Transmission Technology, Single Earphone Can Also Be Used
Note: Please do NOT use fast-charging adapters

Bluetooth Version : 5.2
Bluetooth Range : About 15m
Earhooks Weight : 4.5g (single)
Charging case weight : About 85g
Earhooks Battery Capacity : 50mA
Charging Case Battery Capacity : 800mA
Battery Life : About 8 hours when it is fully charged
Charging Case Battery Life : Provides about 6 additional battery life
Case Dimensions : About 8.7mm *7.4mm