Bluetooth version 4.0 stable connectively and solid performance operational distances

Bluetooth Version: CSR 4.0(can connect double bluetooth device)

Magnetic ear buds snap into place when not in use; music controls on neck strap

Unique wearing style, memory alloy flexible neckband

Tone+ delivers superior audio perfectly transfer HD music, utilizes the latest and greatest Bluetooth CSR 4.0 technology

Support A2DP+HFP+HSP+AVRCP protocol, so that you can listen high quality stereo music

Function: Call Waiting/Call Reject/Last Number Redial/Auto Reconnect

Up to 10 hours of talk time and 8 hours of listening time keep you connected socially and musically while at home, at the office or on the go