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Earphones, Headphone & Earphone, wireless
Redmi Buds 4
Product model no.M2137E1Earbud input parameters5V⎓ 100mACharging case input parameters5V⎓ 450mAWireless connectionBluetooth® 5.2Bluetooth protocolsHSP、HFP、A2DP、AVRCPOperating distance10m (open space free of obstacles)Single earbud net weightApprox. 4.5gTotal weight including charging caseApprox. 55gCharging portType-CSpeaker impedance16Ω±15%SKU: n/a