Built in microphone
Built in rechargeable Liion battery
Battery capacity: 55mAh
Talk time: app 8 hours
Standby time: app 80 hours
Effective distance: 10 meters
Charging time: 2 hours
1.Multipoint pairing,support connect 2 bluetooth device at the same time.
2.Support voice answer calls. Say "Yes" to answer, Say "No" to reject calls.
3.Support power display for IOS.
4.Compatible with all cell phones,tablet,PC,and other bluetooth devices.
5.Portable light weight and sweatproof design.
1 * VES403 Mini Stereo Earphone
1 * USB charger cable
1 * instruction manual