F9 Wireless Earbuds, Bluetooth 5.3 Headphones with LED Power Display, 2000mAh Charging Case, IPX7 Waterproof, Built-in Mic & Deep Bass, Hi-Fi Stereo Sound for Sport/Work Smart Accessories

Bluetooth version: 5.0
Noise reduction version: CVC8.0
Working distance: within 10m
Single ear capacity: 60 mAh
Auto power on: support
Automatic pairing: support
Music time: about 280 hours
(Need to be used with charging compartment)
Talk time: about 300 hours
(Need to be used with charging compartment)