Microphone
Microphone Unit: Φ4.0 x 1.5mm
Directivity: Omni-directional
S.P.L: -42dB
Operation Voltage: 2V
Frequency Response: 100Hz-10000Hz
Impedance: ≤2.2 kΩ
Speaker
Speaker Diameter: Φ40mm
Impedance: 32Ω
S.P.L: 108dB±3dB
THD: <4%
Frequency Response: 20-20KHz
Bluetooth
Bluetooth Version: V4.2
Bluetooth Distance: 33ft/10m
Transmission Range(Hz): 2.402GHz-2.48GHz
Support Profile: HFP, HSP, A2DP, AVRCP
Pairing Name: AUSDOM M09
Battery
Battery Type (Li-Battery Capacity): Built-in 240mAh rechargeable lithium battery
Charging Port: Micro USB/5V-1A
Running Time: About 8 hours talking/About 8 hours music playing time
Standby Time: About 2000h
Charging Time: About 2 hours
Operating Temperature: -10℃-45℃