Original Xiaomi Redmi Buds 4 Vitality Edition Waterproof Wireless Bluetooth Calling Noise Reduction Earphone(White)

1. Product model: M2310E12. Bluetooth: 5.33. Communication distance: 10 meters (barrier-free open environment)4. Charging interface: Type-C/USB-C5. Earphone battery life: earphone: about 5.5H6. Charging box battery life: about 28H7. Earphone charging time: earphone: about 30min8. Charging time of charging box: about 1.5H9. Waterproof grade: IP5410. Earphone size: 23.91 x 15.86 x 31.44mm11. Charging box size: 64.27 x 24.45 x 53.08mm12. Net weight of a single earphone: about 3.6 grams13. Total weight: about 41 gramsPacking list:-Earphone x 1-Ear caps x 2 pairs-Instruction manual x 1