Brand - Edifier, Model - Edifier W860NB, Type - Regular Headphone, Connectivity - Bluetooth, Frequency Response (Hz - kHz) - 20Hz-20kHz, Sensitivity (dB) - 100dB, Impedance (ohm) - 32Ohms, Microphone - Yes, Bluetooth Range - 10 Meters, Bluetooth Version - Bluetooth 4.1, Playing Time - Up to 25 Hours, Color - Black, Others - BLUETOOTH PROFILE: HSP HFP A2DP AVRCP, CONNECTING DISTANCE: 10m, BATTERY CAPACITY: 1400mAh rechargeable battery, WORKING TIME: 35 hours, STANDBY TIME: about 800 hours, CHARGING TIME: about 3 hours, CHARGING INPUT: DC 5.0V=500mA, Specialty - Active Noise Cancelling Bluetooth Headphones, Active Noise Cancelling (ANC) limits outside interference and maximizes performance, Bluetooth V4.1 technology, Support NFC pairing and Qualcomm aptX audio decoding, Up to 25 hours of playback, Stereo Bluetooth ANC Headphones, Savvy Touch Controls, Control sound from a basic tap from headphones without using the connected device, Smart Touch controls on the earcup changes the volume and playback, Tap twice to pause and resume a single track, Swipe up and down for volume and swipe left and right to change tracks, Included Clamshell Travel Case, Full Day Soundtrack, Run a whole day with very own soundtrack with a battery life of 25 hours of ANC persistent playback and 45 hours of wireless only playback, Quality Comfort for All Day Use, Warranty - 1 Year, Country of Origin - China, Made in/ Assemble - China