Lightweight, comfortable design; Controls for music & calls ; Remote shutter feature ; Bluetooth(R) technology; Supports profile A2DP ; Built-in microphone ; 10mm driver ; Freq resp: 20Hz-20kHz ; Imp: 16ohm ; Sensitivity: 106dB @ 1kHz SPL ; Wireless range: 33ft; Built-in rechargeable Li-ion battery ; Battery life: 4 hours; Includes 3 sets of eartips, USB cable & carry pouch; Black;