Negotiable

                                            Driver: 15mm
Impedance: 32 ohms
Bluetooth version: Bluetooth 5.0 + EDR
Bluetooth use frequency band: 2.4GHz
Power rating: CLASS II
Output power: 30mW
Bluetooth distance: 10 m barrier
Frequency response: 20-20000Hz
Working voltage range: 3.0V-4.2V
Microphone sensitivity: -42dB
Bluetooth distance: ~12 meters
Playing time: about 2-3 hours
Talk Time: about about 3-4 hours
Charging time: about 1 hour
Bluetooth: V5.0 Will pair with all bluetooth enabled phones and other bluetooth devices                                    

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