Please Read Advanced noise cancelling technology to reduce the noise of busy office/ city traffic/ airplane cabin, allows you to enjoy your audio in anytime anywhere. 【Fast Charge & 30H Playtime】 A short 5-min charge supports 2 hours of playtime; up to 30 hours of playtime with a full charge. 【Hi-Fi Sound, Deep Bass】 The noise cancelling headphones are designed with 40mm large-aperture drivers, which provides you a pleasant listening experience for Hi-Fi stereo sound with powerful deep bass. 【Bluetooth 5.0 & Hands-Free Call】Steady Bluetooth 5.0 connection streams music uninterrupted while the built-in Mic ensures clear calls without ambient noise. No wires/ no charger/ no box - just headphones by themselves. Like new condition, works great.