Bluetooth Version:3.0 Operating Distance:10m Battery: Built-in rechargeable li-on polymer battery Music Playtime/Talk Time: Up to 5hrs Standby Time: Up to 130hrs Dimensions:62.2mm x 17.3 mm x 23 mm Headset weigh: about 9.6g VOIP:Support Multi point Technology:Yes Music Streaming:Yes Multi-function Button On/Off:Yes Standard Bluetooth Features:Yes Supported Profiles: A2DP,AVRCP,HFP,HSP Description Bluedio I4 With the unique sleek outlook design and extremely clear voice quality , Bluedio I4S combines the advanced technology and humanized design,only for your pleasure to enjoy a sound phone conversation and give you a little bit more to appreciate the essence of music!Still looking for a perfect Bluetooth headset to match your iPhone ? No need! Bluebird I4S and your iPhone are make for each other!Adding Multi point pairing Function, the upgrade of BluedioI4S supports to connect with 2 mobile phones at the same time, it is easy to answer, reject, convert or keep your call if there is another incoming call for your mobile phone while you are in conversation.It is light and compatible; I can’t resist its temptation! Can you?Bluedio I4S Technical Specification: Brand Bluedio SKU BL128EL0AJMO0NAFAMZ-26287 connector_1 NA Model i4