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Overview and Specifications:

Real wireless mini headphones,
Bluetooth V5.0 stereo sports headset,
Built-in noise cancelling microphone
The battery model is 902525
The battery in the charging box is 500 mah
Power is 18 to 20
The product description
Bluetooth chip: Airoha 1526P
Bluetooth version: 5.0
Bluetooth protocol: A2DP/HFP/HSP/AVRCP/SPP
Bluetooth distance: within 10 meters
Charging box power capacity: 500MA
Headphone battery: 50MAH
Total standby time: 200 hours
Charging time: about 1.5 hours
Input voltage of charging box power supply: 5V
Transmission frequency: 20hz-20khz

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