JBL PURE BASS SOUND: For over 70 years, JBL has engineered the precise, impressive sound found in big venues around the world. These headphones reproduce that same JBL sound, punching out bass that’s both deep and powerful. Product 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. BLUETOOTH 5.0: Bluetooth 5.0 for lossless quality stream your favorite tunes in super high quality. 16-HOUR BATTERY LIFE: The built-in battery provides 16 hours of playing time that can be quickly recharged in 2 hours with the type C cable. A 15-minute recharge gets you 1 hour of playback. MAGNETIC CABLE MANAGEMENT: Ensures that the headphones remain comfortably secure and tangle-free around your neck when not in use VOICE ASSISTANTED SUPPORTED: Effortlessly access your smart device’s voice assistant from the headphone