A new generation of wireless headphones—I90 , Bilateral wireless can connect two mobile phones at the same time or connect 2 phones individually. Most headphones connect via line boundary to allow music to sinc, but this I90 left and right earsets are provided with technical support by CRS63120 chips and can accurately without delay provide bilateral music output, and it will also have a wire-free limit that can let you enjoy more free Binaural Stereo. Innovative charger + storage design, users can listen up to 5 hours of music per charge.While it will equip with 250mAh charge capsules for a single-ear that can relay 4 times and extended listening time of 16 hours. Impose-manner of collection is compact and easy to carry. When absorb the earsets, it will go to automatic standby, and operation is humanized.