Enjoy balanced sound without artificially enhanced Bass and volume that hurts your ears. This helps you enjoy the full bandwidth of crystal clear audio with no distortion.Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ears 12.5mm Dynamic Drivers cased in ergonomically designed comfort fit earbuds 16 Hours Playtime under optimum audio setting Quick Charging - 10 min of charge provides one 1 Hour playtime and while overall charging takes less than 2 Hours Multi-Point Connectivity allowing seamless switch between two devices,Enjoy lossless quality music with Bluetooth 5.0 Audio Specifications : Frequency response 20 Hz – 20 kHz ; Impedance 20 ohm ; Sensitivity 118 dB SPL@ 1kHz 1mW ; Microphone sensitivity -25 dBV/Pa @1kHz With 3 Button remote, access Hands free calling or enable Voice Assistance activation on your mobile device