Original Xiaomi Redmi Buds 4 Vitality Edition Waterproof Wireless Bluetooth Calling Noise Reduction Earphone, Redmi Buds 4 Vitality

1. Product model: M2310E1
2. Bluetooth: 5.3
3. Communication distance: 10 meters (barrier-free open environment)
4. Charging interface: Type-C/USB-C
5. Earphone battery life: earphone: about 5.5H
6. Charging box battery life: about 28H
7. Earphone charging time: earphone: about 30min
8. Charging time of charging box: about 1.5H
9. Waterproof grade: IP54
10. Earphone size: 23.91 x 15.86 x 31.44mm
11. Charging box size: 64.27 x 24.45 x 53.08mm
12. Net weight of a single earphone: about 3.6 grams
13. Total weight: about 41 grams

Packing list:
-Earphone x 1
-Ear caps x 2 pairs
-Instruction manual x 1