Description*Core Chip: CSR Bluetooth chip with top support any Bluetooth device， version 3.0， Mitsubishi imported ceramic antenna.*Super Noise Reduction: super noise reduction technology call pickup clear， clear out loud!*Fidelity sound: support for music playback! Wireless songs enjoy! (Special note: stereo versions before they can listen to music， mono only call， not music)*System Compatibility: support for Apple， Android， various mobile phone windows system (support computer， connect the computer's other contact customer service)!*Charging ways: USB， charging treasure， computers， mobile phones USB charger， easy to use.* For: can connect two Bluetooth devices as long as there is a Bluetooth-enabled can use. * endurance: General and receive calls 3.5-4 hours. Play audio songs: 2.5-3 hours.Feature��1.customized:Yes2.Style:In-Ear3.Connectors:USB4.Package:Yes5.Use:Mobile Phone for free talk6.Function:Bluetooth，Noise Cancelling，Microphone7.Communication:Wireless8.Model Number:S89.Weight;3gPacking list�� 1*Bluetooth V3.0 Headphone 1* Charger Cable 1* User Manual *1