Redmi Buds 4 Earbud | 30 hours Battery life | AI noise reduction | Dual transparency mode | 10m Operating Distance

Description

Product model no. : M2137E1
Earbud input parameters :5V⎓ 100mA
Charging case input parameters :5V⎓ 450mA
Wireless connection :Bluetooth® 5.2
Bluetooth protocols :HSP、HFP、A2DP、AVRCP
Operating distance :10m (open space free of obstacles)
Single earbud net weight :Approx. 4.5g
Total weight including charging case :Approx. 55g
Charging port :Type-C
Speaker impedance : 16Ω±15%