Wireless Bluetooth Headphones Noise Cancelling Mini Lightweight Stereo Headsets Earphones W/microphone This bluetooth headsets are equipped with Bluetooth CSR 4.0 A2DP/HFP/HSP/AVRCP + EDL in headphones 60% than the wireless competition. Fully exercise-proof: with functional user interface, earpiece design, and a 10-meter working distance, our headphones will let you enjoy music through a variety of activities. Universal device compatibility: compatible with most Bluetooth-enabled phones, and reduce external sound. Simple-to-use: control all functions of your music (volume, sound, song selection) and calls from your phone via our simple-to-use user interface on the headphones themselves. Package contents: Wireless Headpphones, user manual, charging cable, and custom earbuds.