Product model no.M2137E1
Earbud input parameters5V⎓ 100mA
Charging case input parameters5V⎓ 450mA
Wireless connectionBluetooth® 5.2
Bluetooth protocolsHSP、HFP、A2DP、AVRCP
Operating distance10m (open space free of obstacles)
Single earbud net weightApprox. 4.5g
Total weight including charging caseApprox. 55g
Charging portType-C
Speaker impedance
*Please refer to https://trust.mi.com/misrc/updates for minimum security update period.16Ω±15%