Features JBL Pure Bass sound For over 60 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. Up to 11-hour battery life With up to eleven hours of continuous audio playback on a single charge, there’s enough juice to last all day. Call and music controls on earcup Control music playback and answer calls on the fly with buttons and microphone placed conveniently on the earcup. Flat-foldable, lightweight and comfortable Lightweight materials make these headphones comfortable over your ears, and a rugged construction ensures these fold and unfold perfectly over the years. Bluetooth 4.0 Listen to music wirelessly from any Bluetooth-enabled device. General Specifications Bluetooth version4.0 Ear cushion materialFrog skin PU leather Driver size (mm)32.0 Battery Battery TypeLithium-ion polymer Charging time (hours from empty)2.0 Maximum music play time with ANC off (hours)11.0 Maximum play time (hours)11.0 Speed Charging time (hours)2.0 Maximum talk time (hours)11.0 Features BixbyNo Built-in MicrophoneYes Flat-fold designYes Hands Free CallYes JBL Pure Bass SoundYes On-earYes Rechargable batteryYes Remote control on ear cups?Yes Siri/ Google NowYes Speed chargeNo WirelessYes What's in the box? 1 pair of T450BT headphones Charging cable Warning Card Warranty Card Safety Sheet QSG