**brief introduction：brief introduction：• Bluetooth V3.0
**• Bluetooth profile: HFP/HSP/A2DP/AVRCP
**• Up to 10 meters in working distance (open space)
**• Supports audio line-in for non-Bluetooth
**• Supoorts audio line-out with 1 or more non-Bluetooth or Bluetooth
** devices.
**• Supports caller ID reader when incoming call.
**• Multipoint: Supports 2 phones connection
**• Talk time: up to 5 hours.
**• Music playback time: up to 3 hours when volume maximum (up to
** 8 hours when volume moderate at 1KHz audio signal)
**• Product dimension: 180 X 50 mm
**• Weight: 80g