A stylish set of foldable on-ear Bluetooth headphones. The earpieces can be branded digitally – full-colour or as dark and subtle as you like. The built-in microphone provides the option of comfortable and hands-free phone and video calls.folded: 17 ( l ) x 13.5 ( w ) x 3.5 ( h ) cmABS, poly-canvas, metal & PUBluetooth version 5.020m visible distancebuilt-in microphone supports call pick-up300mAh with lithium batterycharge time: 4 hoursplayback time: 6 – 8 hoursfrequency response: 20 Hz -20K Hzsensitivity: ?108db