Microphone 

Microphone Unit: Φ4*1.5mm 

S.P.L: -42±3dB S.P.L at 1KHz 

Impedance: ≤2.2kΩ 

Frequency response: 100Hz-10,000Hz 

Directivity: Omni-directional 

Speaker 

Speaker diameter: Φ40mm 

Frequency response: 20Hz-20KHz 

Impedance: 32Ω 

S.P.L: 95±3dB S.P.L at 1KHz 

Rated power: 20mW  

Bluetooth 

Bluetooth version: 4.0+EDR 

Support profile: HSP,HFP,A2DP,AVRCP,APTX 

Transmission frequency: 2.40GHz-2.48GHz 

Transmission distance: 10m 

Pairing name: Ausdom M07  

Battery 

Charging port: Micro USB 

Standby time: More than 150 hours 

Talking time: About 14 hours 

Playing time: About 14 hours 

Charging time: About 2-3 hours 

Battery type: Build in 500mAh rechargeable lithium battery