Microphone Type: DSP Noise Suppression MIC
Bluetooth Version: V3.0 Class 1
Chip: CSR Blue Core5MM
Bluetooth Profile : HSP, HFP, A2DP, AVRCP, INTERCOM
Sensitivity: -80dB
Transmitting Power: 16dB(max)
Charge Time: About 3 hours
Music Play Time: About 10 hours
Cell Phone Talk Time: About 10 hours
Intercom Talk Time: About 8 hours
Working Temperature: -15-50'C
Storage Temperature: -25-60'C