In-line Controls: Answer or Reject or Calls, Play or Pause or Forward or Rewind Music, Voice Command Ergonomically designed drivers: Aerospace grade AL alloy drivers give the best acoustics, 3D HD sound and a punchy bass Ear loop for Sport Fit: Ear loop Hold your buds in ear stably, perfectly fit for running, climbing, hiking, cycling etc. IPX5 Water-Resistant Extra Bass: Boult’s Neodymium technology enables drivers to deliver extra punchy and deep bass with accentuates the warm mids and crystal clear sparky highs Built-in Mic: Condenser microphone for HD calls and Siri or Google assistant voice command.