Bluetooth version: Bluetooth 5.0
Product model: Sports Bluetooth earphones
Headphone type: wireless Bluetooth
Color classification: red/black
Sensitivity: 110dB+/-3dB
Frequency range: 200-20000Hz
Battery capacity: 120mAH
Music duration: 10 hours
Transmission distance: 10 meters
Charging time: approximately 1.5 hours
Input: When 5V=1A
Charging method: micro USB
Material: ABS+PC