boAt Rockerz 450

Headphone Type On-Ear Headphones Driver Type Moving Coil Driver Driver Size 40 mm Impedance 32Ω Sensitivity (dB) -80db<+/-0.1% Frequency Response 2.4GHz-2.480GHz Battery Capacity (mAh) 750 mAh with Protection Board Playback Time upto 70 hours (at 60% volume) Charging Time 2-3 hours Standby Time 500-600 hours Bluetooth Version V5.0 Compatibility All Bluetooth Devices Bluetooth Range 10M