Interlink Whisper Neckband-Earphone
Wireless Version: 5.0
Talking Time: 15 Hours
Music Time: 25 Hours
standby Time: 96 hours
Charging time: 5 hours
Charging type: Micro USB
Battery capacity: 250mAh
Transmission Distance: 10 Meters
Charging Voltage: DC5V
Speaker: Copper 6++
Impedance: 16 omega
Frequency range: 20Hz-20Khz
THD: <1%
supported Profiles: HSP, HFP, A2DP, AVRCP
Mic SensitivityL: -42dB
Mic Impedance: 2200 Omega