*Microphone Unit Φ4.15mm
*S.P.L -42±3dB S.P.L at 1Khz
*Impedanc ≤2.2KΩ
*Frequency response 100Hz-10,000Hz
*Directivity Omni-directional
*Speaker diameter Φ40mm
*Frequency response 20Hz-20KHz
*Impedanc 32Ω
*S.P.L 95±3dB S.P.L at 1KHz
*ANC 16±2dB
*S.P.L -38±1dBS
*Frequency 20Hz-600Hz
*Bluetooth version CSR8645 V4.0
*Support profile HSP,HFP,A2DP,AVRCP,APTX
*Transmission frequency 2.40GHz-2.48GHz
*Transmission distance 10m
*Pairing name AUSDOM ANC7
*Charging port Micro USB 5V/1A
*Standby time More than 120 hours
*Talking time About 18 hours
*Playing time About 18 hours
*Charging time About 2 hours
*Battery type Build in 500mah rechargeable lithium battery
*Storage temperature -25℃ - 65℃
*Operating temperature -10℃- 50℃