W15 Bluetooth V5.0 Wireless Earbuds With Charging Base

Technical Details:
Device Name: W15
Bluetooth chip: RTL8763B
Bluetooth version: 5.0
Pairing status duration: 120S
Microphone specifications: -42db±2
Speaker specifications: 16Ω
Low battery alarm: 3.3V
Headphone battery capacity: 45mAH
Charging box battery capacity: 450mAH
Play music time: 4 hours