Model: Aukey EP-M1
Technology: BT5, A2DP, HFP, HSP, AVRCP
Driver (each channel) : 1 x 10mm / 0.3 speaker driver
Sensitivity: 101dB ±3dB
Frequency Range: 20Hz – 20kHz
Impedance: 32 ohm
Microphone Type: MEMS mic (microphone chip)
Microphone Sensitivity: -42dB ±1dB
Microphone Frequency Range: 100Hz – 10kHz
Charging Time: 1.5 hours
Battery Life: Up to 30 hours (With Casing)
Weight: 10g / 0.35oz