Excellent Sound Quality- The bass headphones delivers crystal clear and high-fidelity sound for the richest listening experience. Isolating designs filters out ambient noise. Supports Bluetooth 4.1-Compatible with iPhone, iPad and most Android phones. Offers a superior listening experience by enhancing transmission distance and stability while significantly reducing standby power consumption. Wireless music control-The intuitive button design spares users the trouble of looking down at the screen or holding the in-line control. You can adjust volume or skip songs with a simple tap of the ear. Premium quality with guaranteed durability. Comfortable Design-The Ultra-soft earcups ensure a snug seal, bulit-in remote and microphone, you can take hands-free calls and resume your music without hiccup Adjustable design flexes and stretches-Adjustable earpieces: A 13-degree pivotable design for a comfortable fit.Extendable headband: With a maximum extendibility of over an inch, earphones extend perfectly to reach the ears. Features: 1. High-fidelity stereo sound quality with apt-X codec. 2. Built-in Microphone for handsfree functionality,Transmission Distance up to 33ft. 3. Additional 3.5mm audio line input, for use when battery is low. 4. Never miss a call - auto switching between music and calls. Specification: 1. Bluetooth V4.1 with EDR 2. Active Noise cancellation technology (ANC) 3. Supports profiles: headset, handsfree, A2DP, AVRCP 4. Operation range: 33 feet 5. Up to 8 hours music time, 6 hours talking time 6. Frequency Range: 2.4 GHz 7. Charge time: 2-3 hours What's in the box? 1 x Bluetooth Stereo Headphones 1 x Micro USB Charging Cable 1 x 3.5mm Audio Cable 1 x User Manual