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The headset has a built-in Bluetooth 5.0 chip, and the connection is fast and stable.
Smart touch operation, easy to use.
Built-in active noise reduction IC, providing high-definition calls.
You can use a headset or two to play HiFi stereo.
Product Name: Wireless Headphones
Bluetooth version: 5.0
Charging voltage: 5V DC
Microphone Sensitivity: -42dB
Working temperature: -10-50 degrees Celsius
Frequency response range: 20-20000Hz
Sensitivity: db +/- 5dB
Transmission distance: 10m
Charging time: about 1 hour
Cumulative working time: about 220 hours (with charging box) fully charged
Headphone battery capacity: 50mAh (included)
Charging box battery capacity: 2000mAh (included)
Features: rechargeable, portable, smart charging
2 x Wireless Earbuds
4 x earplugs
1 x Charging Case
1 x Charging Cable 1 x