Plufy Dust-proof Waterproof Wireless Bluetooth 3.0 Smart Stereo Double Ear Music Wearing Type Headphones Sports Running Movement Headset Build-in Microphone with & Remote Volume - Black Bluetooth Version:Bluetooth 3.0 Charging Time:2.5 Hours or Less The Longest Distance:10 Meters Function:the Call,Reject a Call,End Call,Last Number Redial,Volume Control,Three-Way Calling,Etc. Packing List:1* Wireless Bluetooth 3.0 Stereo Earphone