If you want rich, clear sound, these Monster Clarity In-Ear wireless headphones are what the doctor ordered. Capable of tuning out background noise by up to 42dB, these headphones will help you stay focused, listening to distraction-free sound. A single charge will give you over 10 hours of playback, or over 40 hours of in-the-case power. | Monster Clarity 8.0 ANC In-Ear Noise Cancelling True Wireless Earbuds - Dark Blue/Black