boAt Rockerz 558

boAt Rockerz 558 Wireless Black Headphone with 20 Hours Playback, Physical Noise Isolation, 50mm Dynamic Drivers
Headphone Type Over-Ear ,
Driver Type Moving Coil ,
Driver Driver Size 50 mm ,
Impedance 32Ω ,
Sensitivity (dB) 90dB±3DB ,
Frequency Response 20Hz-20KHz ,
Battery Capacity (mAh) 500 mAh ,
Playback Time 20 hours ,
Charging Time 2.5 hours ,
Standby Time 180 hours ,
Bluetooth Version V5.0 ,
Compatibility All Bluetooth Devices ,
Bluetooth Range 10M