Key Features Bluetooth 4.0 headphone, wireless music Active Noise Cancelling Technology, great sound at this price. Stereo sound quality, rich bass Aux-in is workable, when battery is out of power Soft earmuff, comfortable experience Volume control, music choice, pause and play Built-in Microphone for handsfree Line-in function

Specifications Frequency: 20Hz-20kHz Power supply: Lithium battery or USB cable Audio source: Suitable for iPhone, iPad, Samgsung, Blackberry, Nexus, Smartphone, Computer, PC, Notebook, MP4, MP3, etc.

Packing include: 1*BT822 Bluetooth Headphone 1*Micro USB Cable 1*3.5mm Audio Cable 1*Use Guide

• Premium sound quality,stereo headphones,rich and strong bass, crisp and clear highs.Perfect headset for audio lovers.
• Bluetooth 4.0 technology, pair and play with your Bluetooth device with 30 foot range.Connect with two Bluetooth devices simultaneously,which can transmit data at high speed and bring you smooth music experience.
• Super soft and elastic memory ear-pad,foldable structure,ergonomic design,noise-isolation,perfect for long listening sessions.
• Wireless connectivity via Bluetooth with up to 10hrs of play time from rechargeable battery life.If the headphone runs out of power, simply plug in the cord (included) to keep enjoying your music.
• IN-LINE Mic and volume control,with tangle free braided flat audio cable,it is safe to transport without bending your cable when storing your headphones in folding position.

Premium sound quality,stereo headphones,rich and strong bass, crisp and clear highs.Perfect headset for audio lovers.AITA International