Brand Generic Model name Airmars Colour Pink Form factor In Ear Connectivity technology Wireless About this item Bluetooth version V5.3 Transmission distance.-210m Driver Diameter -013mm Drive impedance 320 15% Sensitivity 109 3dB Frequency response 20Hz-20kHz Battery capacity (charging box) 3.7V 300mAh Battery capacity (headphone) 3.7V 33mAh Charging time (charging box) 1.5 hours Music playback time (headphones) 5 hours Related
