Bluetooth version 5Audio agreement HFP、HSP、A2DP、AVRCP、SPP、PBAP、TWS Bluetoothdistance 10MEarphone music time 4-5hoursStandby time 12hoursCharging port TYPE-CBattery box charging time 2hoursEarphone battery capacityBuilt-in lithium battery 3.7V/25mAhBattery box capacityBuilt-in lithium battery 3.7V/250mAhColour Black/BeigeFONENG BL138 TWS Earbuds Price in BangladeshThe Price of FONENG BL138 TWS Earbuds in Bangladesh 999 BDT.
