TaoTronics EP-01 offers Active Noise-Cancelling Technology. It can reduce background noises by up to 30dB with the advanced ANC technology to let you enjoy uncompromising powerful audio and give you the music you love for work, travel, and relaxation. The premium stereo sound quality with clear and detailed sound reproduction and a high-fidelity microphone help the caller hear you clearly. With adjustable ear buds and hooks, you’re guaranteed the most comfortable listening experience. The TaoTronics EP-01 can deliver super-long battery life, reaching 15 hours. KEY FEATURES AND BENEFITS Active Noise-Cancelling Technology Reduce background noises by up to 30dB with the advanced ANC technology to let you enjoy uncompromising powerful audio and give you the music you love for work, travel, and relaxation. The airline adapter allows you to enjoy favorite music without any distractions when you are flying. High-Fidelity Sound Quality The premium stereo sound quality with clear, detailed sound reproduction and a high-fidelity microphone help the caller hear you clearly. Incredible Battery Life Enhanced and boosted with a 140mAh battery, enjoy 15 hours of pure, continuous playback or voice chat. Comfortable & Stable Feature ergonomic earbuds, seamless in-ear design, and soft wingtips for a comfortable and stable fit. Easy & Full Control The three-button in-line remote control for full audio playback allows for volume adjustment, track selection, and play/pause functionality. Work for Most Devices The inline smart remote and microphone on the cable are compatible with most smartphones and portable players with 3.5mm audio jack. SPECS General: -Cable Length: 140 cm / 4.59 ft -Weight: 14.6 g / 0.5 oz -Connector: 3.5 mm stereo mini plug Headphone: -Driver: Dynamic -Driver Size: Not Specified by Manufacturer -Rrequency Reponse: 20Hz – 20kHz -Impedance: 32Ω Active Noise Cancellation: -Noise Reduction Coefficiency: 100Hz – 500 Hz -Run Time: 15 Hours -Recharge Time: 2 Hours FAQ Q: Do they always need to be charged to use? A: No. If you only need to use the earbuds, just plug them into your device via the included audio jack and they will work for you. The noise cancellation can function only when the module has power. Q: I usually work in noisy places and want to get a pair of noise-cancelling earphones. How is their active noise cancellation? A: Pretty good. With the active noise cancelling technology, these earphones help reduce outside noises to a large extent. Q: Can I turn off the noise cancellation while listening to music? A: Sure. Whether the active noise cancellation is on or off, these earphones work fine. Q: Are they comfortable to wear? A: Yes. The soft rubber eartips can go deep into my ear canals, and the flexible wingtips secure earbuds stably in my ears. They combine to provide me with a comfortable and stable fit. Q: Are there interchangeable eartips? I have relatively small ears and need a little smaller eartips. A: They come with three pairs of eartips and wingtips which are suitable for ears of most people. Q: Can I use them to take calls? A: Yes. The microphone for phone calls stays at the back of the inline remote. Brand : Taotronics Manufacturer Number : Taotronics Color : Black Model Number : TT-EP01 Connectivity : Wired Compatible with : All Type : In Ear Microphone included : Yes Noise Cancelling : No Are batteries needed to power the product or is this product a battery : No Is this a Dangerous Good or a Hazardous Material, Substance or Waste that is regulated for transportation, storage, and/or disposal? : No External Product ID Type : UPC-A UPC-A : 605929164866