Xiaomi Buds 4 Pro

• Model: M2126E1
• Supports Hi-Res Audio Wireless with Sony's LDAC*
• Ultra-noise reduction for clear calls
• Weight of a single Earbud: 5.0g (±0.2g)
• Size of a single earbud: 30.74mm*21.23mm*23.67mm (with M-size earbud tips)
• Up to 38 hours long listening time with case*
• Weight of charging case: 39.5g (±1g)
  
• Dimensions of charging case: 46.58mm*59.28mm*26.79mm
• Total Weight: 49.5g (±1g)

Charging & Battery:

• Earbuds: 53mAh
• Charging case: 565mAh
• Charging Port: Type-C
• Earbud input parameters: 5V ⎓ 280mA
• Charging case input parameters: 5V ⎓ 2.3A
• Charging case output parameters: 5V ⎓ 560mA

Connection:

• Wireless connection: Bluetooth® 5.3
• Bluetooth protocols: Bluetooth® Low Energy/HFP/A2DP/AVRCP
• Communication range: 10m (open space free of obstacles)
• Speaker impedance: 16Ω