GJBY CA-021 Metal Wireless Headphone – 2Hours Charging Time , 300mAH Battery
Key Features

• Version:Bluetooth v 5.0
• Sensitivity: 108dB3dB
• Frequency Response: 20Hz – 20KHz
• Stand-by Time: Up to 120 Hours
• Impedance:32
• Working Distance Range:10M
• Play Mode:Bluetooth, TF Card, AUX
• Battery Specifications:300mAH Built-in rechargeable lithium battery
• Charging Voltage:DC4.75-5.25V
• Charging Time:About 2Hours
• Playing Time:Around 24 – 48 hours
• 1 year Warranty