Alpha Works Flex 100 True Wireless Earbuds

Specifications:
Audio
Driver: 10mm Dynamic
Impedance: 32 Ohms
Sensitivity: 92 dB
Frequency Response: 20 - 20kHz
Battery & Power
Power Supply: 5V~1A
Earbud Battery: 45mAh, 3.7V
Case Battery: 300mAh, 3.7V
Play Time: 7H (music), 8H (talk)
Standby Time: 300H
Charging Time: < 2 hrs
Connectivity
Bluetooth: V5.4
Bluetooth Profile: HSP, HFP, A2DP, AVRCP