JBL Active Noise Cancelling Tune Beam Wireless Earphones Bluetooth version 5.3 Fast Charging for Batteries Up to 48 Hours JBL Black Pure Bass Sound: Pure Bass Sound by JBL You'll feel every pulsing beat thanks to JBL's Pure Bass Sound, which is delivered by cleverly designed 6mm drivers enhanced by the stick's form factor. Bluetooth 5.3 that supports LE audio The next-generation Bluetooth technology allows the JBL Tune Beam earbuds to stream music while using minimal power.