REDMI-3 Bluetooth Neckband

Features:
Driver Hybrid Dual Driver:  Dynamic Balanced Armature
Frequency Response:           20Hz – 20kHz
Impedance:                              32 Ohm
Bluetooth:                                 Bluetooth 4.1 with aptX and AAC support
Battery:                                      137 mAh
Super comfortable
aptX support
Amazing sound
Wide soundstage
Decent isolation
Light and well-built