Feature:Sports styleBattery Power display on the iOS device.Can connect two phones at the same time.Ultimate wireless Freedom.Exercise is about breaking free so don`t let wires hold you back.Locks in- won`t fall out. This sports headset is designed to lock in so you can focus on your workout.Powerful bass for your musicSX-985 Bluetooth headset is designed to direct sound straight into your ears with noise isolating ear gels for deep bass and rich audio.Easy control for music and callsincoming voice promptVoice Control:say "yes" to answer calls、and say "no" to reject calls. Specifications:Bluetooth Version:CSR V4.0Support :HSP /HFP /A2DP /AVRCP Transmitting Power :Class2 Working Distance :＋10m Frequency Range :2.4026GHz-2.480GHz Charge Time:＋2Hours Standby Time :－80Hours Talk Time :－10 Hours Music Time :－8 Hours Wight :26g