Beats Studio 2.0 WIRED Over-Ear Headphone - Pink NOT WIRELESS (Refurbished) The New Beats Studio has a a 20-hour rechargeable battery. To prevent wasting energy, the Auto On/Off feature turns off when you unplug, includes a visible battery fuel gauge. The studio can be charged via micro USB. The Beats Acoustic Engine makes your listening experience intimate, personal, and real. Our signature DSP software is designed to generate an emotional experience. We streamlined the Studio and shaved 13% off the original weight and gave it a lighter, stronger, and more comfortable headband. Softer ear cups and ergonomic bellow to create a flexible, custom fit. Mute: Silence the noise from your daily commute or the drama from your loud neighbors with our no-compromise dual-mode Adaptive Noise Canceling. ANC automatically strikes a balance between your music and the world outside.This Certified Refurbished product is factory refurbished, shows limited or no wear, and includes all original accessories plus a 90 day warranty Make sure the headset plug is securely connected and that the socket is clean and clear. Check that the microphonelocated on the back of the remoteisnt blocked or covered. Make sure the straight-end of the plug is connected to the headphones and the angled L-shaped plug is connected to the audio source.