Bluetooth Version: V5.4+EDR
Chipset: AB5756C
Flash: 256mb
MP3:Yes
Profile: HFP/HSP/A2DP/AVRCP/SPP/PBAP
Bluetooth Distance:10m
Impedence:32ohm
Frequency Range:20-20Khz
Sensitivity: 105±1.5dB
Battery: 30mAh / 280mAh
Number of Recharge: 3
Driver Size:13MM
Charging port type: Type-C
Charging Time: 1.5 HRS
Playtime: 4-5HRS
Mic Sensitivity :MIC 42±3dB